The greatest intelligence is precisely the one that suffers most from its own limitations.

Who digs a pit for others will fall in themselves.

Silence is argument carried out by other means.

Men are cruel, but man is kind.

Honesty once pawned is never redeemed.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

To live is, in itself, avalue judgement. To breathe is to judge.

The evolution from happiness to habit is one of death's best weapons.

The bad gardener quarrels with his rake.

You can be erudite with knowledge of others; you can be wise only with your wisdom.

Well-managed,cooperative conflict contributes to the productivity and innovativeness oforganizations and the competence and well-being of people.

Slander cannot destroy an honest man: when the flood recedes the rock is there.