Top 200 Science Quotes (2025 Update)

1. “Mathematics is the language with which God has written the universe.”

— Galileo Galilei

Also featured in: Learning Quotes, Famous Quotes

2. “Real science can be far stranger than science fiction and much more satisfying.”

— Stephen Hawking

Also featured in: Real Quotes

3. “Nothing exists except atoms and empty space; everything else is opinion.”

— Democritus

Also featured in: Philosophy Quotes, Quotes About Reality

4. “Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.”

— Louis Pasteur

Also featured in: Study Quotes, Famous Quotes, Knowledge Quotes, Technology Quotes

5. “Science is a way of thinking much more than it is a body of knowledge.”

— Carl Sagan

Also featured in: Short Quotes, Quotes About Thinking, Knowledge Quotes

6. “Science may set limits to knowledge, but should not set limits to imagination.”

— Bertrand Russell

Also featured in: Imagination Quotes

7. “The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.”

— Isaac Asimov

Also featured in: Quotes About Thinking, Knowledge Quotes, Sadness Quotes

8. “We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.”

— Carl Sagan

Also featured in: Technology Quotes

9. “Mathematics is the key and door to the sciences.”

— Galileo Galilei

Also featured in: Knowledge Quotes

10. “Research is formalized curiosity. It is poking and prying with a purpose.”

— Zora Neale Hurston

Also featured in: Curiosity Quotes

11. “Ignorance more frequently begets confidence than does knowledge.”

— Charles Darwin

Also featured in: Ignorance Quotes

12. “Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.”

— Jules Verne

13. “One thing in life is for certain, the more profoundly baffled you have been in your life, the more open your mind becomes to new ideas.”

— Neil deGrasse Tyson

14. “The good thing about science is that it’s true whether or not you believe in it.”

— Neil deGrasse Tyson

Also featured in: Knowledge Quotes, Truth Quotes, Important Quotes

15. “The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.”

— Carl Sagan

Also featured in: Universe Quotes, Thought Provoking Quotes, Powerful Quotes

16. “For every action, there is an equal and opposite reaction.”

— Isaac Newton

Also featured in: Action Quotes, Principles And Laws

17. “The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.”

— Carl Sagan

Also featured in: Famous Quotes, Meaningful Quotes, Perspective Quotes

18. “If you’re scientifically literate, the world looks very different to you, and that understanding empowers you.”

— Neil deGrasse Tyson

Also featured in: Knowledge Quotes, Different Quotes, Understanding Quotes

19. “What can be asserted without evidence can be dismissed without evidence.”

— Christopher Hitchens

Also featured in: Enlightenment Quotes, Knowledge Quotes, Truth Quotes

20. “We are made of star-stuff. Our bodies are made of star-stuff. There are pieces of star within us all.”

— Carl Sagan

Also featured in: Interesting Quotes, Universe Quotes, Space Quotes

21. “The lesson of the book is that the universe is governed by the laws of science.”

— Stephen Hawking

Also featured in: Universe Quotes, Book Quotes, Principles And Laws

22. “An object that is at rest will tend to stay at rest. An object that is in motion will tend to stay in motion.”

— Isaac Newton

Also featured in: Moving Quotes, Momentum Quotes, Principles And Laws

23. “The remarkable feature of physical laws is that they apply everywhere, whether or not you choose to believe in them. After the laws of physics, everything else is opinion.”

— Neil deGrasse Tyson

Also featured in: Truth Quotes, Quotes About Reality, Principles And Laws

24. “The Cosmos is all that is or ever was or ever will be.”

— Carl Sagan

Also featured in: Deep Quotes, Universe Quotes, Quotes About the World

25. “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

26. “Nothing in biology makes sense except in the light of evolution.”

— Theodosius Dobzhansky

27. “Science is more than a body of knowledge. It’s a way of thinking: a way of skeptically interrogating the universe.”

— Carl Sagan

Also featured in: Quotes About the Body

28. “Science literacy is a vaccine against the charlatans of the world that would exploit your ignorance.”

— Neil deGrasse Tyson

Also featured in: Ignorance Quotes

29. “Relativity. Gravity. Quantum. Electrodynamics. Evolution. Each of these theories is true, whether or not you believe in them.”

— Neil deGrasse Tyson

Also featured in: Principles And Laws

30. “Science is what we have learned about how to keep from fooling ourselves.”

— Richard P. Feynman

Also featured in: Truth Quotes

31. “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

Also featured in: Universe Quotes, Genius Quotes, Quotes About Night

32. “I am among those who think that science has great beauty.”

— Marie Curie

33. “Science is beautiful when it makes simple explanations of phenomena or connections between different observations.”

— Stephen Hawking

34. “Space exploration is a force of nature unto itself that no other force in society can rival.”

— Neil deGrasse Tyson

35. “The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.”

— F. Scott Fitzgerald

Also featured in: Intelligent Quotes, Smart Quotes, Intelligence Quotes

36. “Endless forms most beautiful and most wonderful have been, and are being evolved.”

— Charles Darwin

Also featured in: Beautiful Quotes, Diversity Quotes

37. “There are in fact 100 billion galaxies, each of which contain something like a 100 billion stars. Think of how many stars, and planets, and kinds of life there may be in this vast and awesome universe.”

— Carl Sagan

Also featured in: Universe Quotes

38. “Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker.”

— Stephen Hawking

39. “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

Also featured in: Curiosity Quotes, Quotes About Numbers

40. “The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.”

— Carl Sagan

Also featured in: Universe Quotes, Quotes About Numbers

41. “You and I are made of stardust. We are the stuff of exploded stars. We are therefore, at least 1 way that the Universe knows itself. That, to me, is astonishing.”

— Bill Nye

42. “Intelligence is the ability to adapt to change. ”

— Stephen Hawking

Also featured in: Inspirational Quotes, Change Quotes, Interesting Quotes

43. “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

44. “What we know is a drop, what we don’t know is an ocean.”

— Isaac Newton

Also featured in: Learning Quotes, Knowledge Quotes

45. “Science is like an inoculation against charlatans who would have you believe whatever it is they tell you.”

— Neil deGrasse Tyson

46. “I don't want to believe. I want to know.”

— Carl Sagan

Also featured in: Knowledge Quotes, Universe Quotes, Truth Quotes

47. “If I have seen further it is by standing on the shoulders of Giants.”

— Isaac Newton

Also featured in: Learning Quotes, Wisdom Quotes, Quality Quotes, Thought Provoking Quotes

48. “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

Also featured in: Quality Quotes, Intelligent Quotes, Thought Provoking Quotes

49. “Math is the language of the universe. So the more equations you know, the more you can converse with the cosmos.”

— Neil deGrasse Tyson

Also featured in: Intelligent Quotes, Math Quotes

50. “If time travel is possible, where are the tourists from the future?”

— Stephen Hawking

Also featured in: Future Quotes, Witty Quotes