Quarrelsend, but words once spoken never die.

Tofight and conquer in all your battles is not supreme excellence; supremeexcellence consists in breaking the enemy's resistance without fighting.

Let usnever negotiate out of fear. But let us never fear to negotiate.

Conflictinvolves incompatible behaviors rather than competitive goals.

Knowledge leads to unity, ignorance to diversity.

Old wood best of burn, old friend to trust and old authors to read.

The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.

Effectivecommunication is 20 percent what you know and 80 percent how you feel aboutwhat you know.

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

Take yourlife into your own hands, and what happens? A terrible thing, no one toblame.

The more you seat in peace, the less you bleed in war

Neverforget the power of silence, that massively disconcerting pause which goes onand on and may at last induce an opponent to babble and backtrack nervously.