Lower your voice and strengthen your argument.

It's good to shut up sometimes.

Power tires only those who do not have it.

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...

Laughter is the sun that drives winter from the human face.

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

It isgreed to do all the talking but not to want to listen at all.

Thereis no advancement to him who stands trembling because he cannot see the endfrom the beginning.

Pleasure is by no means an infallible critical guide, but it is the least fallible.

A perfect method for adding drama to life is to wait until the deadline looms large.

The warexisting between the senses and reason.

A Leader is a dealer in hope.