What a book a devil's chaplain might write on the clumsy, wasteful, blundering, low, and horribly cruel work of nature!
We must, however, acknowledge, as it seems to me, that man with all his noble qualities... still bears in his bodily frame the indelible stamp of his lowly origin.
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.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.
The very essence of instinct is that it's followed independently of reason.
If the misery of the poor be caused not by the laws of nature, but by our institutions, great is our sin.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
On the ordinary view of each species having been independently created, we gain no scientific explanation.
My mind seems to have become a kind of machine for grinding general laws out of large collections of facts.
Man is descended from a hairy, tailed quadruped, probably arboreal in its habits.
It is a cursed evil to any man to become as absorbed in any subject as I am in mine.
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.
Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.