1. “It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is most adaptable to change.”

2. “A man who dares to waste one hour of time has not discovered the value of life.”

3. “The love for all living creatures is the most noble attribute of man.”

4. “In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.”

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

6. “I am not apt to follow blindly the lead of other men.”

7. “We stopped looking for monsters under our bed when we realized that they were inside us.”

8. “An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.”

9. “The very essence of instinct is that it’s followed independently of reason.”

10. “Man is descended from a hairy, tailed quadruped, probably arboreal in its habits.”

11. “False facts are highly injurious to the progress of science, for they often endure long.”

12. “A fair result can be obtained only by fully stating and balancing the facts and arguments on both sides of each question.”

13. “I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.”

14. “Great is the power of steady misrepresentation.”

15. “If the misery of the poor be caused not by the laws of nature, but by our institutions, great is our sin.”

16. “Man selects only for his own good: Nature only for that of the being which she tends.”

17. “In the struggle for survival, the fittest win out at the expense of their rivals because they succeed in adapting themselves best to their environment.”

18. “Man in his arrogance thinks himself a great work, worthy of the interposition of a deity.”

19. “We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.”

20. “The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.”