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

The highest possible stage in moral culture is when we recognise that we ought to control our thoughts.

It is not the strongest of the species that survives, not the most intelligent that survives. It is the one that is the most adaptable to change.

If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week.

Ignorance more frequently begets confidence than does knowledge: it is those who know little, not those who know much, who so positively assert that this or that problem will never be solved by science.

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

Failure is unimportant. It takes courage to make a fool of yourself.

If you tell a big enough lie and tell it frequently enough, it will be believed.

Find some great cause and some great purpose, some loyalty to which you can give yourself and become so absorbed in that something that you give your life to it.

I slept and dreamt that life was joy. I awoke and saw that life was service. I acted and behold, service was joy.

The greatest gift of life is friendship, and I have received it.

I gather from a lawyer that there was a rehearsal yesterday. We haven't a hope. I know the presiding judge too: I've had the misfortune to sleep with his wife. He was specially picked.

The biggest myth about aging is that we can't do anything about it. That it's a road to being decrepit, frail, and sick.

Wit beyond measure is man’s greatest treasure.

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.