Never answer a letter while you are angry.

Do not despair, not even over the fact that you don't despair.

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...

No doctor is a good doctor who has never been ill himself.

Every man has enough power left to carry out that of whichhe is convinced.

Wheneveryou're in conflict with someone, there is one factor that can make thedifference between damaging your relationship and deepening it. That factoris attitude.

One must be fond of people and trust them if one is not tomake a mess of life.

There is no knowledge that is not power.

Freedom is not caprice, but room to enlarge

Nothing lays itself open to the change of exaggeration more than the language of naked truth.

By despising all that has preceded us, we teach others to despise ourselves.

Sometimesone pays most for the things one gets for nothing.