Top 200 Knowledge Quotes (2025 Update)

1. “Knowledge is of no value unless you put it into practice.”

— Anton Chekhov

Also featured in: Practice Quotes, Technology Quotes

2. “To acquire knowledge, one must study; but to acquire wisdom, one must observe.”

— Marilyn Vos Savant

Also featured in: Learning Quotes, Short Inspiring Quotes, Wisdom Quotes

3. “Shall I teach you what knowledge? When you know a thing, say that you know it; when you do not know a thing, admit that you do not know it. That is knowledge.”

— Confucius

Also featured in: Smart Quotes, Teacher Quotes

4. “Knowledge has to be improved, challenged, and increased constantly, or it vanishes.”

— Peter F. Drucker

Also featured in: Lifelong Learning Quotes

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

— Carl Sagan

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

6. “Sharing knowledge is not about giving people something, or getting something from them. That is only valid for information sharing. Sharing knowledge occurs when people are genuinely interested in helping one another develop new capacities for action; it is about creating learning processes.”

— Peter Senge

Also featured in: Lifelong Learning Quotes

7. “Knowledge without action is wastefulness and action without knowledge is foolishness.”

— Al-Ghazali

8. “If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.”

— René Descartes

Also featured in: Real Quotes, Philosophical Quotes, Truth Quotes, Doubt Quotes

9. “All men by nature desire knowledge.”

— Aristotle

Also featured in: Philosophical Quotes, Smart Quotes, Curiosity Quotes

10. “Your perspective is always limited by how much you know. Expand your knowledge and you will transform your mind.”

— Bruce H. Lipton

Also featured in: Lifelong Learning Quotes

11. “The true lover of knowledge naturally strives for truth, and is not content with common opinion, but soars with undimmed and unwearied passion till he grasps the essential nature of things.”

— Plato

Also featured in: Lifelong Learning Quotes, Passion Quotes, Curiosity Quotes

12. “It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.”

— Carl Sagan

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

13. “Knowledge exists potentially in the human soul like the seed in the soil; by learning the potential becomes actual.”

— Al-Ghazali

14. “True knowledge exists in knowing that you know nothing. And in knowing that you know nothing, that makes you the smartest of all.”

— Socrates

Also featured in: Lifelong Learning Quotes, Curiosity Quotes, Humility Quotes

15. “The gift of knowledge is the highest gift in the world.”

— Swami Vivekananda

Also featured in: Encouraging Quotes for Students, Lifelong Learning Quotes, Teaching Quotes

16. “To find yourself, think for yourself.”

— Socrates

Also featured in: Quotes About Thinking, Mind Quotes, Philosophical Quotes

17. “There is no knowledge and science like pondering and thought; and there is no prosperity and advancement like knowledge and science.”

— Ali ibn Abi Talib

18. “Simplicity is the ultimate sophistication.”

— Leonardo da Vinci

Also featured in: Short Positive Quotes, Quality Quotes, Wise Quotes

19. “Any fool can know. The point is to understand.”

— Albert Einstein

Also featured in: Learning Quotes, Wisdom Quotes, Volunteer Quotes

20. “People like it when they understand something that they previously thought they couldn’t understand. It’s a sense of empowerment.”

— Neil deGrasse Tyson

Also featured in: Lifelong Learning Quotes, Science Quotes, Curiosity Quotes

21. “A mind needs books as a sword needs a whetstone, if it is to keep its edge.”

— George R.R. Martin

Also featured in: Quotes About Books And Reading, Mind Quotes

22. “Write what you know.”

— Mark Twain

Also featured in: Creativity Quotes, Short Motivational Quotes, Famous Quotes, Storytelling Quotes

23. “The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind.”

— Friedrich Nietzsche

Also featured in: Change Quotes, Transformation Quotes, Quotes About Thinking

24. “I cannot teach anybody anything. I can only make them think.”

— Socrates

Also featured in: Quotes About Thinking, Quality Quotes, Intelligent Quotes

25. “Know thyself.”

— Socrates

Also featured in: Famous Quotes, Short Inspirational Quotes, Self-Realization Quotes, Personality Quotes

26. “A room without books is like a body without a soul.”

— Marcus Tullius Cicero

Also featured in: Quotes About Books And Reading, Study Quotes, Quality Quotes, Wise Quotes

27. “If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle.”

— Sun Tzu

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28. “I cannot live without books.”

— Thomas Jefferson

Also featured in: Quotes About Books And Reading, Study Quotes, Values Quotes

29. “No man was ever wise by chance.”

— Seneca

Also featured in: Human Nature Quotes, Smart Quotes, Philosophy Quotes

30. “The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.”

— Bertrand Russell

Also featured in: Motivational Quotes, Wisdom Quotes, Philosophical Quotes, Wise Quotes

31. “We are an intelligent species and the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.”

— Carl Sagan

Also featured in: Science Quotes, Quotes About Thinking, Intelligent Quotes

32. “Those who know do not speak. Those who speak do not know.”

— Lao Tzu

Also featured in: Spirituality Quotes, Philosophy Quotes, Taoism Quotes

33. “When you know better you do better.”

— Maya Angelou

Also featured in: Inspirational Quotes, Change Quotes, Education Quotes, Positive Life Quotes

34. “My alma mater was books, a good library. I could spend the rest of my life reading, just satisfying my curiosity.”

— Malcolm X

Also featured in: Quotes About Books And Reading, Study Quotes, Curiosity Quotes

35. “Knowing how to think empowers you far beyond those who know only what to think.”

— Neil deGrasse Tyson

Also featured in: Lifelong Learning Quotes, Quotes About Thinking, Thought Provoking Quotes

36. “Miss a meal if you have to, but don't miss a book.”

— Jim Rohn

Also featured in: Quotes About Books And Reading, Study Quotes, Lifelong Learning Quotes

37. “To not know math is a severe limitation to understanding the world.”

— Richard P. Feynman

Also featured in: Study Quotes, Thought Provoking Quotes, Math Quotes

38. “Remember, your mind is your greatest asset, so be careful what you put into it.”

— Robert T. Kiyosaki

Also featured in: Short Motivational Quotes, Short Inspiring Quotes, Mindset Quotes

39. “There are no facts, only interpretations.”

— Friedrich Nietzsche

Also featured in: Perspective Quotes, Philosophy Quotes, Thought Provoking Quotes

40. “In the age of information, ignorance is a choice.”

— Donald Miller

Also featured in: Choices Quotes, Ignorance Quotes

41. “To know that we know what we know, and that we do not know what we do not know, that is true knowledge.”

— Confucius

Also featured in: Study Quotes, Reflection Quotes, Wisdom Quotes, Quotes About Thinking

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

— Neil deGrasse Tyson

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

43. “Some books should be tasted, some devoured, but only a few should be chewed and digested thoroughly.”

— Francis Bacon

Also featured in: Quotes About Books And Reading, Famous Quotes

44. “All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.”

— Arthur Schopenhauer

Also featured in: Intelligent Quotes, Truth Quotes, Witty Quotes

45. “Listen more than you talk. Nobody learned anything by hearing themselves speak.”

— Richard Branson

Also featured in: Short Quotes, Coaching Quotes, Smart Quotes

46. “Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency.”

— René Descartes

Also featured in: Math Quotes, Intelligence Quotes

47. “Nobody ever figures out what life is all about, and it doesn’t matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough.”

— Richard P. Feynman

Also featured in: Live Life Quotes, Curiosity Quotes, Quotes About the World

48. “Sharing knowledge is the most fundamental act of friendship. Because it is a way you can give something without losing something.”

— Richard Stallman

Also featured in: Meaningful Friendship Quotes

49. “Research is creating new knowledge.”

— Neil Armstrong

50. “Education consists mainly of what we have unlearned.”

— Mark Twain

Also featured in: Witty Quotes