One learns to ignore criticism by first learning to ignore applause.

If you haven't time to respond to a tug at your pants leg, your schedule is too crowded.

Optimist: someone who isn't sure whether life is a tragedy or a comedy but is tickled silly just to be in the play.

Everything we possess that is not necessary for life or happiness becomes a burden, and scarcely a day passes that we do not add to it.

No one complains of being a prisoner of love who has ever been a prisoner of loneliness.

There are subjects in which I wish to become knowledgeable, and subjects in which I wish to remain wise.

You're never too old. Unfortunately, you're always too young to know it.