Life can only be understood backwards; but it must be lived forwards.

Aim above morality. Be not simply good; be good for something.

The most important thing in communication is hearing what isn't said.

The ability to learn is the most important quality a leader can have.

Human beings must always be on the watch for the coming of wonders.

If you look for perfection, you will never be satisfied.

'Tis never too late to be wise.

All experience is great providing you live through it.

To go wrong in one's own way is better than to go right in someone else's.

I do not think it worth while to wait for enjoyment until there is some real opportunity for it.

Everything that truly makes us happy is quite simple: love, sex, and food!

Anxiety does not empty tomorrow of its troubles, but it empties it of its strength.