Stephen William Hawking was an English theoretical physicist, cosmologist, and author who, at the time of his death, was the head of research at the University of Cambridge’s Centre for Theoretical Cosmology.

Hawking was born into a family of doctors in Oxford.

For your convenience, we’ve compiled a list of Stephen Hawking’s most famous quotations.


Best Stephen Hawking Quotes on Life, Love, Time and AI

1. “The universe doesn’t allow perfection.” ~ (Stephen Hawking).

2. “Intelligence is the ability to adapt to change. ” ~ (Stephen Hawking).

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3. “Nothing is better than reading and gaining more and more knowledge.” ~ (Stephen Hawking).

4. “Quiet people have the loudest minds.” ~ (Stephen Hawking).

5. “However difficult life may seem, there is always something you can do and succeed at.” ~ (Stephen Hawking).

6. “I have noticed that even those who assert that everything is predestined and that we can change nothing about it still look both ways before they cross the street.” ~ (Stephen Hawking).

7. “One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don’t throw it away.” ~ (Stephen Hawking).

8. “While there is life, there is hope.” ~ (Stephen Hawking).

9. “My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.” ~ (Stephen Hawking).

10. “If time travel is possible, where are the tourists from the future?” ~ (Stephen Hawking).

11. “We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.” ~ (Stephen Hawking).

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12. “Look up at the stars, not down at your feet.” ~ (Stephen Hawking).

13. “People who boast about their I.Q. are losers.” ~ (Stephen Hawking).

14. “I don’t fear God – I fear His believers.” ~ (Stephen Hawking).

15. “We only have to look at ourselves to see how intelligent life might develop into something we wouldn’t want to meet.” ~ (Stephen Hawking).

16. “When the going gets tough, the tough take a coffee break.” ~ (Stephen Hawking).

Top Stephen Hawking Quotes

17. “I don’t think the human race will survive the next thousand years, unless we spread into space.” ~ (Stephen Hawking).

18. “To confine our attention to terrestrial matters would be to limit the human spirit.” ~ (Stephen Hawking).

19. “There should be no boundaries to human endeavor. However bad life may seem, there is always hope.” ~ (Stephen Hawking).

20. “I am just a child who has never grown up. I still keep asking these ‘how’ and ‘why’ questions. Occasionally, I find an answer.” ~ (Stephen Hawking).

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21. “Its a crazy world out there. Be curious.” ~ (Stephen Hawking).

22. “The beatings will continue until morale improves.” ~ (Stephen Hawking).

23. “Real science can be far stranger than science fiction and much more satisfying.” ~ (Stephen Hawking).

24. “The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn.” ~ (Stephen Hawking).

25. “Work gives you meaning and purpose and life is empty without it.” ~ (Stephen Hawking).

26. “The past, like the future, is indefinite and exists only as a spectrum of possibilities.” ~ (Stephen Hawking).

27. “So next time someone complains that you have made a mistake, tell him that may be a good thing. Because without imperfection, neither you nor I would exist.” ~ (Stephen Hawking).

28. “I’m not afraid of death, but I’m in no hurry to die. I have so much I want to do first.” ~ (Stephen Hawking).

29. “It surprises me how disinterested we are today about things like physics, space, the universe and philosophy of our existence, our purpose, our final destination. Its a crazy world out there. Be curious.” ~ (Stephen Hawking).

30. “To understand recursion, one must first understand recursion.” ~ (Stephen Hawking).

31. “In my mind, I am free.” ~ (Stephen Hawking).

32. “I have so much that I want to do. I hate wasting time.” ~ (Stephen Hawking).

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33. “You cannot predict the future.” ~ (Stephen Hawking).

34. “Success is a relative term. It brings so many relatives.” ~ (Stephen Hawking).

35. “I’m not religious in the normal sense. I believe the universe is governed by the laws of science. The laws may have been decreed by God, but God does not intervene to break the laws.” ~ (Stephen Hawking).

36. “We are all now connected by the Internet, like neurons in a giant brain.” ~ (Stephen Hawking).

Famous Stephen Hawking Quotes

37. “Succeed in spite of management.” ~ (Stephen Hawking).

38. “Life would be tragic if it weren’t funny.” ~ (Stephen Hawking).

39. “It’s the gravity that shapes the large-scale structure of the universe, even though it is the weakest of four categories of forces.” ~ (Stephen Hawking).

40. “The thing about smart people is that they seem like crazy people to dumb people.” ~ (Stephen Hawking).

41. “No one undertakes research in physics with the intention of winning a prize. It is the joy of discovering something no one knew before.” ~ (Stephen Hawking).

42. “If you are lucky enough to find love, remember it is there and don’t throw it away.” ~ (Stephen Hawking).

43. “The lesson of the book is that the universe is governed by the laws of science.” ~ (Stephen Hawking).

44. “Perhaps we could write code to optimize code, then run that code through the code optimizer?” ~ (Stephen Hawking).

45. “I want to know why the universe exists, why there is something greater than nothing.” ~ (Stephen Hawking).

46. “Whether you want to uncover the secrets of the universe, or you just want to pursue a career in the 21st century, basic computer programming is an essential skill to learn.” ~ (Stephen Hawking).

47. “There is no unique picture of reality.” ~ (Stephen Hawking).

48. “Why do we remember the past, but not the future?” ~ (Stephen Hawking).

49. “Nothing is fool-proof to a sufficiently talented fool.” ~ (Stephen Hawking).

50. “For millions of years, mankind lived just like the animals. Then something happened which unleashed the power of our imagination. We learned to talk and we learned to listen.” ~ (Stephen Hawking).

51. “The concern here is that financial services become a kind of tech-led Wild West.” ~ (Stephen Hawking).

52. “Disability need not be an obstacle to success.” ~ (Stephen Hawking).

53. “Science is beautiful when it makes simple explanations of phenomena or connections between different observations.” ~ (Stephen Hawking).

54. “People won’t have time for you if you are always angry or complaining.” ~ (Stephen Hawking).

55. “What was God doing before the divine creation? Was he preparing hell for people who asked such questions?” ~ (Stephen Hawking).

56. “Without imperfection, you or I would not exist.” ~ (Stephen Hawking).

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57. “It matters if you don’t just give up.” ~ (Stephen Hawking).

58. “To boldly go where no one has gone before.” ~ (Stephen Hawking).

59. “In fact, if one considers the possible constants and laws that could have emerged, the odds against a universe that produced life like ours are immense.” ~ (Stephen Hawking).

Short Stephen Hawking Quotes

60. “We are very, very small, but we are profoundly capable of very, very big things.” ~ (Stephen Hawking).

61. “I think the next century will be the century of complexity.” ~ (Stephen Hawking).

62. “Because there is a law such as gravity, the Universe can and will create itself from nothing.” ~ (Stephen Hawking).

63. “There is a fundamental difference between religion, which is based on authority, and science, which is based on observation and reason. Science will win because it works.” ~ (Stephen Hawking).

64. “Doing a job RIGHT the first time gets the job done. Doing the job WRONG fourteen times gives you job security.” ~ (Stephen Hawking).

65. “Science is not only a disciple of reason but, also, one of romance and passion.” ~ (Stephen Hawking).

66. “Time travel may be possible, but it is not practical.” ~ (Stephen Hawking).

67. “The increase of disorder or entropy is what distinguishes the past from the future, giving a direction to time.” ~ (Stephen Hawking).

68. “My expectations were reduced to zero when I was 21. Everything since then has been a bonus.” ~ (Stephen Hawking).

69. “We are all different. There is no such thing as a standard or run-of-the-mill human being, but we share the same human spirit.” ~ (Stephen Hawking).

70. “I have sold more books on physics than Madonna has on sex.” ~ (Stephen Hawking).

71. “Although quantum mechanics has been around for nearly 70 years, it is still not generally understood or appreciated, even by those that use it to do calculations.” ~ (Stephen Hawking).

72. “In a world that is in chaos politically, socially and environmentally, how can the human race sustain another 100 years?” ~ (Stephen Hawking).

73. “I believe things cannot make themselves impossible.” ~ (Stephen Hawking).

74. “Nuclear weapons need large facilities, but genetic engineering can be done in a small lab. You can’t regulate every lab in the world. The danger is that either by accident or design, we create a virus that destroys us.” ~ (Stephen Hawking).

75. “Women. They are a complete mystery.” ~ (Stephen Hawking).

76. “Time travel used to be thought of as just science fiction, but Einstein’s general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.” ~ (Stephen Hawking).

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77. “Science makes God unnecessary.” ~ (Stephen Hawking).

78. “Plagiarism saves time.” ~ (Stephen Hawking).

79. “The wise never marry, and when they marry they become otherwise.” ~ (Stephen Hawking).

80. “The boundary condition of the universe is that it has no boundary.” ~ (Stephen Hawking).

81. “I do not believe in a personal God.” ~ (Stephen Hawking).

82. “I like physics, but I love cartoons.” ~ (Stephen Hawking).

83. “Nothing cannot exist forever.” ~ (Stephen Hawking).

84. “The human failing I would most like to correct is aggression. It may have had survival advantage in caveman days, to get more food, territory or partner with whom to reproduce, but now it threatens to destroy us all.” ~ (Stephen Hawking).

85. “There should be a better way to start a day than waking up every morning.” ~ (Stephen Hawking).

Inspiring Stephen Hawking Quotes

86. “My first popular book, ‘A Brief History of Time,’ aroused a great deal of interest, but many found it difficult to understand.” ~ (Stephen Hawking).

87. “The moment you understand the whole Universe, is the moment you slightly begin to understand the way God’s mind works.” ~ (Stephen Hawking).

88. “One could imagine such technology outsmarting financial markets, out-inventing human researchers, out-manipulating human leaders, and developing weapons we cannot even understand.” ~ (Stephen Hawking).

89. “We are only the temporary custodians of the particles which we are made of. They will go on to lead a future existence in the enormous universe that made them.” ~ (Stephen Hawking).

90. “Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment for good or ill.” ~ (Stephen Hawking).

91. “Scientific discovery may not be better than sex, but the satisfaction lasts longer.” ~ (Stephen Hawking).

92. “Equations are just the boring part of mathematics. I attempt to see things in terms of geometry.” ~ (Stephen Hawking).

93. “Physics as we know it will be over in six months – Max Born.” ~ (Stephen Hawking).

94. “I am damned if I’m going to die before I have unraveled more of the universe.” ~ (Stephen Hawking).

95. “In real-time, the universe has a beginning and an end at singularities that form a boundary to space-time and at which the laws of science break down.” ~ (Stephen Hawking).

96. “The fact that no one understands you doesn’t mean you’re an artist.” ~ (Stephen Hawking).

97. “Why are we here? Where do we come from? Traditionally, these are questions for philosophy, but philosophy is dead.” ~ (Stephen Hawking).

98. “There ought to be something very special about the boundary conditions of the universe and what can be more special than that there is no boundary?” ~ (Stephen Hawking).

Stephen Hawking Quotes for Motivation

99. “God abhors a naked singularity.” ~ (Stephen Hawking).

100. “We don’t let animals suffer, so why humans?” ~ (Stephen Hawking).

101. “Although I cannot move and I have to speak through a computer, in my mind I am free.” ~ (Stephen Hawking).

102. “The development of full artificial intelligence could spell the end of the human race.” ~ (Stephen Hawking).

103. “So Einstein was wrong when he said, “God does not play dice.” Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can’t be seen.” ~ (Stephen Hawking).

104. “Only time – whatever that may be – will tell.” ~ (Stephen Hawking).

105. “Hang in there, retirement is only thirty years away!” ~ (Stephen Hawking).

106. “I’m really easy to get along with once you see it my way.” ~ (Stephen Hawking).

107. “The idea that we are alone in the universe seems to me completely implausible and arrogant, considering the number of planets and stars that we know exist, it’s extremely unlikely that we are the only form of evolved life.” ~ (Stephen Hawking).

108. “Science can explain the universe without the need for a Creator.” ~ (Stephen Hawking).

109. “The victim should have the right to end his life, if he wants. But I think it would be a great mistake. However bad life may seem, there is always something you can do, and succeed at. While there’s life, there is hope.” ~ (Stephen Hawking).

110. “There is no heaven or afterlife for broken-down computers; that is a fairy story for people afraid of the dark.” ~ (Stephen Hawking).

111. “We should seek the greatest value of our action.” ~ (Stephen Hawking).

112. “What is important is that we have the ability to create.” ~ (Stephen Hawking).

113. “You cannot understand the glories of the universe without believing there is some Supreme Power behind it.” ~ (Stephen Hawking).

114. “One cannot really argue with a mathematical theorem.” ~ (Stephen Hawking).

115. “Jesus loves you, but everyone else thinks you’re an ass.” ~ (Stephen Hawking).

116. “Thirty years ago I was diagnosed with motor neurone disease, and given two and a half years to live. I have always wondered how they could be so precise about the half.” ~ (Stephen Hawking).

117. “One can’t prove that God doesn’t exist, but science makes God unnecessary. The laws of physics can explain the universe without the need for a creator.” ~ (Stephen Hawking).

118. “We each exist for but a short time, and in that time explore but a small part of the whole universe.” ~ (Stephen Hawking).

119. “We are in danger of destroying ourselves by our greed and stupidity. We cannot remain looking inwards at ourselves on a small and increasingly polluted and overcrowded planet.” ~ (Stephen Hawking).

120. “It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years.” ~ (Stephen Hawking).

121. “If I have questions about the universe on my mind when I go to bed, I can’t turn off. I dream equations all night.” ~ (Stephen Hawking).

122. “The Universe in a Nutshell.” ~ (Stephen Hawking).

123. “We find ourselves in a bewildering world. We want to make sense of what we see around us and to ask: What is the nature of the universe? What is our place in it and where did it and we come from? Why is it the way it is?” ~ (Stephen Hawking).

124. “The idea of 10 dimensions might sound exciting, but they would cause real problems if you forget where you parked your car.” ~ (Stephen Hawking).

125. “Mankind’s greatest achievements have come about by talking and its greatest failures by not talking. It doesn’t have to be like this.” ~ (Stephen Hawking).

126. “I believe everyone should have a broad picture of how the universe operates and our place in it. It is a basic human desire. And it also puts our worries in perspective.” ~ (Stephen Hawking).

127. “I don’t think the human race will survive the next thousand years unless we spread into space. There are too many accidents that can befall life on a single planet. But I’m an optimist. We will reach out to the stars.” ~ (Stephen Hawking).

128. “I would like nuclear fusion to become a practical power source. It would provide an inexhaustible supply of energy, without pollution or global warming.” ~ (Stephen Hawking).

129. “Observations indicate that the universe is expanding at an ever-increasing rate. It will expand forever, getting emptier and darker.” ~ (Stephen Hawking).

130. “A zero-gravity flight is a first step toward space travel.” ~ (Stephen Hawking).

131. “Time and space are finite in extent, but they don’t have any boundary or edge. They would be like the surface of the earth, but with two more dimensions.” ~ (Stephen Hawking).

132. “If I had to choose a superhero to be, I would pick Superman. He’s everything that I’m not.” ~ (Stephen Hawking).

133. “Love the neighbor. But don’t get caught.” ~ (Stephen Hawking).

134. “So long as the universe had a beginning, we could suppose it had a creator. But if the universe is really completely self-contained, having no boundary or edge, it would have neither beginning nor end: it would simply be. What place, then, for a creator?” ~ (Stephen Hawking).

135. “What I meant by ‘we would know the mind of God is, we would know everything that God would know if there were a God. Which there isn’t. I’m an atheist.” ~ (Stephen Hawking).

136. “There is a real danger that computers will develop intelligence and take over.” ~ (Stephen Hawking).

137. “Philosophers have not kept up with modern developments in science. Particularly physics.” ~ (Stephen Hawking).

138. “As a child, I wanted to know how things worked and to control them. With a friend, I built a number of complicated models that I could control. It was a natural next step to want to know how the universe works.” ~ (Stephen Hawking).

139. “When something is made idiot-proof, they will just make better idiots.” ~ (Stephen Hawking).

140. “I don’t believe that the ultimate theory will come by steady work along existing lines. We need something new. We can’t predict what that will be or when we will find it because if we knew that, we would have found it already!” ~ (Stephen Hawking).

141. “We think we have solved the mystery of creation. Maybe we should patent the universe and charge everyone royalties for their existence.” ~ (Stephen Hawking).

142. “Sometimes I wonder if I’m as famous for my wheelchair and disabilities as I am for my discoveries.” ~ (Stephen Hawking).

143. “The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?” ~ (Stephen Hawking).

144. “So great a contribution to physics was Two New Sciences that scholars have long maintained that the book anticipated Isaac Newton’s laws of motion.” ~ (Stephen Hawking).

145. “I believe in universal health care. And I am not afraid to say so.” ~ (Stephen Hawking).

146. “We won’t know for a few years.” ~ (Stephen Hawking).

147. “The real challenge is to work out what aliens might actually be like.” ~ (Stephen Hawking).

148. “But a machine that was powerful enough to accelerate particles to the grand unification energy would have to be as big as the Solar System – and would be unlikely to be funded in the present economic climate.” ~ (Stephen Hawking).

149. “The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two or three years.” ~ (Stephen Hawking).

150. “Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.” ~ (Stephen Hawking).


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