One's first step in wisdom is to question everything - and one's last is to come to terms with everything.

It is too bad if you have to do everything upon reflection and can't do anything from early habit.

Man is always partial and is quite right to be. Even impartiality is partial.

What you have been obliged to discover by yourself leaves a path in your mind which you can use again when the need arises.

The Greeks possessed a knowledge of human nature we seem hardly able to attain to without passing through the strengthening hibernation of a new barbarism.

I cannot say whether things will get better if we change; what I can say is they must change if they are to get better.

Never undertake anything for which you wouldn't have the courage to ask the blessings of heaven.