Top 90 Louis Pasteur Quotes (2025 Update)

1. “Chance favors the prepared mind.”

— Louis Pasteur

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2. “Let me tell you the secret that has led me to my goal: my strength lies solely in my tenacity.”

— Louis Pasteur

Featured in: Perseverance Quotes, Persistence Quotes, Goal Setting Quotes, Quotes About Trying, Struggle Quotes

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

— Louis Pasteur

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4. “Little science takes you away from God but more of it takes you to Him.”

— Louis Pasteur

5. “The more I study nature, the more I stand amazed at the work of the Creator. Science brings men nearer to God.”

— Louis Pasteur

6. “A bottle of wine contains more philosophy than all the books in the world.”

— Louis Pasteur

7. “My strength lies solely in my tenacity.”

— Louis Pasteur

8. “The role of the infinitely small in nature is infinitely great.”

— Louis Pasteur

9. “Live in the serene peace of laboratories and libraries.”

— Louis Pasteur

10. “Change only favours minds that are diligently looking and preparing for discovery.”

— Louis Pasteur

11. “Bernard was right. The germ is nothing, the terrain is everything.”

— Louis Pasteur

12. “One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.”

— Louis Pasteur

13. “Posterity will one day laugh at the sublime foolishness of the modern materialistic philosophy. The more I study nature, the more I stand amazed at the work of the Creator. I pray while I am engaged at my work in the laboratory.”

— Louis Pasteur

Featured in: Quotes About Laughing

14. “To know how to wonder and question is the first step of the mind toward discovery.”

— Louis Pasteur

15. “The Greeks bequeathed to us one of the most beautiful words in our language – the word ‘enthusiasm’ – en theos – a god within. The grandeur of human actions is measured by the inspiration from which they spring. Happy is he who bears a god within, and who obeys it.”

— Louis Pasteur

16. “Life comes only from life.”

— Louis Pasteur

17. “Science brings men nearer to God.”

— Louis Pasteur

18. “Did you ever observe to whom the accidents happen? Chance favors only the prepared mind.”

— Louis Pasteur

19. “Will opens the door to success, both brilliant and happy.”

— Louis Pasteur

20. “In the realm of scientific observation, luck is granted only to those who are prepared.”

— Louis Pasteur

21. “La fortuna juega a favor de una mente preparada.”

— Louis Pasteur

22. “It is surmounting difficulties that makes heroes.”

— Louis Pasteur

23. “Science and peace will triumph over ignorance and war.”

— Louis Pasteur

24. “Do not put forward anything that you cannot prove by experimentation.”

— Louis Pasteur

25. “Whether our efforts are, or not, favored by life, let us be able to say, when we come near to the great goal, I have done what I could.”

— Louis Pasteur

26. “Question your priorities often, make sure God always comes first.”

— Louis Pasteur

27. “Do not let yourself be tainted with a barren skepticism.”

— Louis Pasteur

28. “Wine is the most healthful and most hygienic of beverages.”

— Louis Pasteur

29. “Inspiration is the impact of a fact on a well-prepared mind.”

— Louis Pasteur

30. “Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence.”

— Louis Pasteur

31. “The universe is asymmetric.”

— Louis Pasteur

32. “When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.”

— Louis Pasteur

33. “The greatest derangement of the mind is to believe in something because one wishes it to be so.”

— Louis Pasteur

34. “These three things-work, will, success-fill human existences. Will opens the door to success, both brilliant and happy. Work passes these doors, and at the end of the journey success comes in to crown one’s efforts.”

— Louis Pasteur

35. “It is not the germs we need worry about. It is our inner terrain.”

— Louis Pasteur

36. “Do not promote what you can’t explain, simplify, and prove early.”

— Louis Pasteur

37. “Work usually follows will.”

— Louis Pasteur

38. “If science has no country, the scientist should have one, and ascribe to it the influence which his works may have in this world.”

— Louis Pasteur

39. “I am on the edge of mysteries and the veil is getting thinner and thinner.”

— Louis Pasteur

40. “Analogy cannot serve as proof.”

— Louis Pasteur

41. “Intuition is given only to him who has undergone long preparation to receive it.”

— Louis Pasteur

42. “The Greeks understood the mysterious power of the below things. They are the ones who gave us one of the most beautiful words in our language, the word enthusiasm.”

— Louis Pasteur

43. “Where observation is concerned, chance favors only the prepared mind.”

— Louis Pasteur

44. “If perchance you should falter during the journey, a hand would be there to support you. If that should be wanting, God, who alone could take that hand from you, would Himself accomplish its work.”

— Louis Pasteur

45. “Worship the spirit of criticism.”

— Louis Pasteur

46. “A bit of science distances one from God, but much science nears one to Him.”

— Louis Pasteur

47. “Imagination should give wings to our thoughts but we always need decisive experimental proof, and when the moment comes to draw conclusions and to interpret the gathered observations, imagination must be checked and documented by the factual results of the experiment.”

— Louis Pasteur

48. “The flavor of wine is like delicate poetry.”

— Louis Pasteur

49. “There are no such things as applied sciences, only applications of science.”

— Louis Pasteur

50. “The only thing that can bring joy is work.”

— Louis Pasteur