Fools laugh at others. Wisdom laughs at itself.

Osho

Keep your tents apart and your hearts together.

Tuareg Proverb

It is an equal failing to trust everybody, and to trust nobody.

English Proverb

Nothing is so dear and precious as time.

French Proverb

It is a waste of energy to be angry with a man who behaves badly just as it is to be angry with a car that won't go.

Bertrand Russell

One man may be more cunning than another, but not more cunning than everybody else.

Benjamin Franklin