Change meansmovement. Movement means friction. Only in the frictionless vacuum of anonexistent abstract world can movement or change occur without that abrasivefriction of conflict.

Ability is poor men's wealth

A teacher as a person is more important than a teacher as a technician. What he is has more effect than anything he does.

Don'tuse a lot where a little will do.

The greatest humiliation in life is to work hard on something from which you expect great appreciation, and then fail to get.

Luck iswhat happens when preparation meets opportunity.

Make the best use of what is in your power, and take therest as it happens.

The problem with communication is the illusion that is has occurred.

There is no knowledge that is not power.

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

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

A goodlistener is not someone with nothing to say. A good listener is a good talkerwith a sore throat.