The hearthas arguments with which the logic of mind is not acquainted.

The true test of intelligence is not how much people know how to do, but how they behave when they don't know what to do.

The difficultpart in an argument is not to defend one's opinion, but rather to know it.

He whocannot agree with his enemies is controlled by them.

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

Peoplewho are too concerned with how well they are doing will be less successfuland feel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation,or between extrinsic and intrinsic motivation…

Skillin the art of communication is crucial to a leader's success. He canaccomplish nothing unless he can communicate effectively.

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.

There isno squabbling so violent as that between people who accepted an ideayesterday and those who will accept the same idea tomorrow.

If you climb up a tree, you must climb down the same tree.

Even a fish wouldn't get into trouble if it kept its mouth shut.

Maturityis the capacity to endure uncertainty.