Top 450 Arthur C. Clarke Quotes (2025 Update)

1. “Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.”

— Arthur C. Clarke

Featured in: Universe Quotes, Thought Provoking Quotes, Space Quotes

2. “The only way of finding the limits of the possible is by going beyond them into the impossible.”

— Arthur C. Clarke

Featured in: Positive Quotes, Quotes About Trying, Thought Provoking Quotes, Inspiring Quotes, Progress Quotes

3. “Any sufficiently advanced technology is indistinguishable from magic.”

— Arthur C. Clarke

Featured in: Famous Quotes, Science Quotes, Thought Provoking Quotes, Technology Quotes, Innovation Quotes

4. “Magic is just science that we don’t understand yet.”

— Arthur C. Clarke

Featured in: Science Quotes

5. “The best proof that there’s intelligent life in outer space is the fact that it hasn’t come here.”

— Arthur C. Clarke

6. “The only way of discovering the limits of the possible is to venture a little way past them into the impossible.”

— Arthur C. Clarke

Featured in: Boldness Quotes, Impossible Quotes, Imagination Quotes, Risk-Taking Quotes

7. “The Moon is the first milestone on the road to the stars.”

— Arthur C. Clarke

Featured in: Science Quotes, Space Quotes, Moon Quotes

8. “Before you become too entranced with gorgeous gadgets and mesmerizing video displays, let me remind you that information is not knowledge, knowledge is not wisdom, and wisdom is not foresight. Each grows out of the other, and we need them all.”

— Arthur C. Clarke

9. “I have never grown up, but I will never stop growing.”

— Arthur C. Clarke

10. “It may be that our role on this planet is not to worship God but to create him.”

— Arthur C. Clarke

11. “I don’t believe in astrology; I’m a Sagittarius and we’re skeptical.”

— Arthur C. Clarke

Featured in: Silly Quotes, Funny Work Quotes, Funny Yearbook Quotes, Funny Thursday Quotes, Funny Tuesday Quotes

12. “When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.”

— Arthur C. Clarke

Featured in: Science Quotes

13. “Science demands patience.”

— Arthur C. Clarke

14. “It has yet to be proven that intelligence has any survival value.”

— Arthur C. Clarke

15. “People go through four stages before any revolutionary development: 1. It’s nonsense, don’t waste my time. 2. It’s interesting, but not important. 3. I always said it was a good idea. 4. I thought of it first.”

— Arthur C. Clarke

16. “If man can live in Manhattan, he can live anywhere.”

— Arthur C. Clarke

17. “Sometimes when I’m in a bookstore or library, I am overwhelmed by all the things that I do not know. Then I am seized by a powerful desire to read all the books, one by one.”

— Arthur C. Clarke

18. “Space is what stops everything from happening in the same place.”

— Arthur C. Clarke

19. “We have to abandon the idea that schooling is something restricted to youth. How can it be, in a world where half the things a man knows at 20 are no longer true at 40 – and half the things he knows at 40 hadn’t been discovered when he was 20?”

— Arthur C. Clarke

20. “How inappropriate to call this planet Earth when it is quite clearly Ocean.”

— Arthur C. Clarke

21. “I’m sure the universe is full of intelligent life. It’s just been too intelligent to come here.”

— Arthur C. Clarke

Featured in: Intelligent Quotes, Space Quotes, Intelligence Quotes

22. “The only real problem in life is what to do next.”

— Arthur C. Clarke

23. “Somewhere in me is a curiosity sensor. I want to know what’s over the next hill. You know, people can live longer without food than without information. Without information, you’d go crazy.”

— Arthur C. Clarke

24. “Science is the only religion of mankind.”

— Arthur C. Clarke

25. “I don’t pretend we have all the answers. But the questions are certainly worth thinking about.”

— Arthur C. Clarke

26. “The goal of the future is full unemployment, so we can play. That’s why we have to destroy the present politico-economic system.”

— Arthur C. Clarke

27. “One of the great tragedies of mankind is that morality has been hijacked by religion. So now people assume that religion and morality have a necessary connection. But the basis of morality is really very simple and doesn’t require religion at all.”

— Arthur C. Clarke

28. “The object of teaching a child is to enable the child to get along without the teacher. We need to educate our children for their future, not our past...”

— Arthur C. Clarke

29. “Astronomy, as nothing else can do, teaches men humility.”

— Arthur C. Clarke

Featured in: Humility Quotes

30. “As our own species is in the process of proving, one cannot have superior science and inferior morals. The combination is unstable and self-destroying.”

— Arthur C. Clarke

31. “Getting information from the internet is like getting a glass of water from the Niagara Falls.”

— Arthur C. Clarke

32. “We over estimate technology in the short term and under estimate technology in the long term.”

— Arthur C. Clarke

33. “The one fact about the future of which we can be certain is that it will be utterly fantastic.”

— Arthur C. Clarke

34. “In all the universe there is nothing more precious than mind.”

— Arthur C. Clarke

35. “When you finally understand the universe, it will not only be stranger than you imagine, it will be stranger than you can imagine.”

— Arthur C. Clarke

36. “The greatest tragedy in mankind’s entire history may be the hijacking of morality by religion.”

— Arthur C. Clarke

37. “The space elevator will be built about 50 years after everyone stops laughing.”

— Arthur C. Clarke

38. “A faith that cannot survive collision with the truth is not worth many regrets.”

— Arthur C. Clarke

39. “The difference between machines and human beings is that human beings can be reproduced by unskilled labour.”

— Arthur C. Clarke

40. “It was the mark of a barbarian to destroy something one could not understand.”

— Arthur C. Clarke

41. “Human judges can show mercy. But against the laws of nature, there is no appeal.”

— Arthur C. Clarke

42. “Science fiction seldom attempts to predict the future. More often than not, it tries to prevent the future.”

— Arthur C. Clarke

43. “The goal of the future is full unemployment.”

— Arthur C. Clarke

44. “It may be that the old astrologers had the truth exactly reversed, when they believed that the stars controlled the destinies of men. The time may come when men control the destinies of stars.”

— Arthur C. Clarke

45. “The dinosaurs disappeared because they could not adapt to their changing environment. We shall disappear if we cannot adapt to an environment that now contains spaceships, computers – and thermonuclear weapons.”

— Arthur C. Clarke

46. “There is hopeful symbolism in the fact that flags do not wave in a vacuum.”

— Arthur C. Clarke

47. “It is vital to remember that information – in the sense of raw data – is not knowledge, that knowledge is not wisdom, and that wisdom is not foresight. But information is the first essential step to all of these.”

— Arthur C. Clarke

48. “If there are any gods whose chief concern is man, they can’t be very important gods.”

— Arthur C. Clarke

49. “If I didn’t exist, I would have invented myself.”

— Arthur C. Clarke

50. “Good morning, Dr. Chandra. This is Hal. I am ready for my first lesson.”

— Arthur C. Clarke