Even people who aren’t geniuses can outthink the rest of mankind if they develop certain thinking habits.

Life is nearly over with me. I have taken no pains about my style of writing.

We have happy days, remember good dinners.

I cannot persuade myself that a beneficient and omnipotent God would have designedly created...that a cat should play with mice.

Man is developed from an ovule, about 125th of an inch in diameter, which differs in no respect from the ovules of other animals.

We have seen that the senses and intuitions, the various emotions and faculties, such as love, memory, attention and curiosity, imitation, reason, etc., of which man boasts, may be found in an incipient, or even sometimes in a well-developed condition, in the lower animals.

If it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down. But I can find no such case.