Thereare no secrets. There is no mystery. There is only common sense.

He who gainsa victory over other men is strong; but he who gains a victory over himselfis all powerful.

If wemanage conflict constructively, we harness its energy for creativity and development.

I hold it to be a proof of great prudence for men toabstain from threats and insulting words toward an enemy, for neither ...diminishes the strength of the enemy; but the one makes him more cautious,and the other increases his hatred of you and makes him

There is sweet joy that comes to us that comes to us after sorrow.

It is throughcooperation, rather than conflict, that your greatest successes will bederived.

The real purpose of books is to trap the mind into doing its own thinking

A gem is not polished without rubbing, nor is a man perfected without trials.

Usesoft words and hard arguments.

He whocannot agree with his enemies is controlled by them.

A manshould never be ashamed to own he has been in the wrong, which is but saying,in other words, that he is wiser today than he was yesterday.

Philosophy may describe unreason, as it may describe force; it cannot hope to refute them.