“There is only one way to avoid criticism: do nothing, say nothing, and be nothing.”

Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict

Know how to listen, and you will profit even from those who talk badly.

Learning is finding out what you already know.

Man is not sum of what he has already, but rather the sum of what he does not yet have, of what he could have.

Courage is the price that life exacts from granting peace

The only true disability in life is a bad attitude.