Top 100 Isaac Newton Quotes (2025 Update)

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

— Isaac Newton

Featured in: Learning Quotes, Science Quotes, Knowledge Quotes

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

— Isaac Newton

Featured in: Learning Quotes, Wisdom Quotes, Science Quotes, Quality Quotes, Thought Provoking Quotes

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

— Isaac Newton

Featured in: Action Quotes, Science Quotes, Principles And Laws

4. “Nature is pleased with simplicity.”

— Isaac Newton

Featured in: Nature Quotes

5. “Men build too many walls and not enough bridges.”

— Isaac Newton

6. “Live your life as an exclamation rather than an explanation.”

— Isaac Newton

7. “I can calculate the motion of heavenly bodies but not the madness of people.”

— Isaac Newton

8. “If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.”

— Isaac Newton

Featured in: Work Ethic Quotes, Science Quotes, Quotes About Work

9. “I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.”

— Isaac Newton

Featured in: Science Quotes, Humble Quotes

10. “Gravity explains the motions of the planets, but it cannot explain who sets the planets in motion.”

— Isaac Newton

Featured in: Science Quotes

11. “Tact is the knack of making a point without making an enemy.”

— Isaac Newton

12. “What goes up must come down.”

— Isaac Newton

13. “You have to make the rules, not follow them.”

— Isaac Newton

14. “Truth is the offspring of silence and meditation.”

— Isaac Newton

Featured in: Silence Quotes, Meditation Quotes

15. “If I am anything, which I highly doubt, I have made myself so by hard work.”

— Isaac Newton

Featured in: Doubt Quotes

16. “My powers are ordinary. Only my application brings me success.”

— Isaac Newton

17. “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

Featured in: Science Quotes, Moving Quotes, Momentum Quotes, Principles And Laws

18. “Plato is my friend, Aristotle is my friend, but my greatest friend is truth.”

— Isaac Newton

Featured in: Truth Quotes

19. “To explain all nature is too difficult a task for any one man or even for any one age.”

— Isaac Newton

20. “To arrive at the simplest truth requires years of contemplation.”

— Isaac Newton

21. “Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.”

— Isaac Newton

Featured in: Truth Quotes, Simplicity Quotes

22. “All knowledge and understanding of the Universe was no more than playing with stones and shells on the seashore of the vast imponderable ocean of truth.”

— Isaac Newton

Featured in: Understanding Quotes

23. “A body in motion tends to stay in motion unless acted on by an outside force.”

— Isaac Newton

Featured in: Science Quotes, Moving Quotes, Momentum Quotes, Principles And Laws

24. “The best way to understanding is through a few good examples.”

— Isaac Newton

25. “To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.”

— Isaac Newton

Featured in: Crazy Quotes

26. “God created everything by number, weight and measure.”

— Isaac Newton

Featured in: Universe Quotes, Math Quotes, Principles And Laws

27. “No great discovery was ever made without a bold guess.”

— Isaac Newton

Featured in: Boldness Quotes, Genius Quotes

28. “When two forces unite, their efficiency doubles.”

— Isaac Newton

29. “He who thinks half-heartedly will not believe in God; but he who really thinks has to believe in God.”

— Isaac Newton

30. “All my discoveries have been made in answer to prayer.”

— Isaac Newton

31. “Atheism is so senseless. When I look at the solar system, I see the earth at the right distance from the sun to receive the proper amounts of heat and light. This did not happen by chance.”

— Isaac Newton

32. “This most beautiful system of the sun, planets and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being.”

— Isaac Newton

Featured in: Space Quotes

33. “In the absence of any other proof, the thumb alone would convince me of God’s existence.”

— Isaac Newton

34. “I consider my greatest accomplishment to be lifelong celibacy.”

— Isaac Newton

35. “The way to chastity is not to struggle directly with incontinent thoughts but to avert the thoughts by some imployment, or by reading, or meditating on other things.”

— Isaac Newton

Featured in: Struggle Quotes, Reading Quotes

36. “If I had waited for other people to make my tools and things for me, I would never have made anything.”

— Isaac Newton

37. “I have a fundamental belief in the Bible as the Word of God, written by those who were inspired. I study the Bible daily.”

— Isaac Newton

38. “Errors are not in the art but in the artificers.”

— Isaac Newton

39. “I know not how I seem to others, but to myself I am but a small child wandering upon the vast shores of knowledge, every now and then finding a small bright pebble to content myself with while the vast ocean of undiscovered truth lay before me.”

— Isaac Newton

40. “A man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding.”

— Isaac Newton

Featured in: Uplifting Quotes

41. “Poetry is a kind of ingenious nonsense.”

— Isaac Newton

42. “Physics, beware of metaphysics.”

— Isaac Newton

43. “Nature does nothing in vain when less will serve; for Nature is pleased with simplicity and affects not the pomp of superfluous causes.”

— Isaac Newton

44. “I do not know what I may appear to the world, but to myself I seem to have been only a boy playing on the seashore.”

— Isaac Newton

45. “We account the Scriptures of God to be the most sublime philosophy.”

— Isaac Newton

46. “Hypotheses non fingo. I frame no hypotheses.”

— Isaac Newton

47. “I keep the subject of my inquiry constantly before me, and wait till the first dawning opens gradually, by little and little, into a full and clear light.”

— Isaac Newton

48. “Whence arises all that order and beauty we see in the world?”

— Isaac Newton

49. “As a blind man has no idea of colors, so we have no idea of the manner by which the all-wise God perceives and understands all things.”

— Isaac Newton

50. “There are more sure marks of authenticity in the Bible than in any profane history.”

— Isaac Newton