If in the library of your house you do not have the works of the ancient Greek writers, then you live in a house with no light.

Do not try to live forever. You will not succeed.

The writer who aims at producing the platitudes which are "not for an age, but for all time" has his reward in being unreadable inall ages.... The man who writes about himself and his own time is the only sort of man who writes about all people and about all time.

This is the true joy in life, the being used for a purpose recognized by yourself as a mighty one.

Everything I eat has been proved by some doctor or other to be a deadly poison, and everything I don't eat has been proved to be indispensable for life. But I go marching on.

The philosopher is Nature's pilot. And there you have our difference: to be in hell is to drift: to be in heaven is to steer.

Oh, come! That boot is on the other leg. Why should you call me to account for eating decently? If I battened on the scorched corpses of animals, you might well ask me why I did that