Contradiction is the salt which keeps truth from corruption

Worry, whatever its source, weakens, takes away courage, and shortens life.

Those who believe in our ability do more than stimulate us. They create for us an atmosphere in which it becomes easier to succeed.

As memory may be a paradise from which we cannot be driven, it may also be a hell from which we cannot escape.

If there were nothing else to trouble us, the fate of the flowers would make us sad.

Do definite good; first of all to yourself, then to definite persons.

The highest courage is to dare to appear to be what one is