The power to do good is also the power to do harm.

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…

A man's real life is that accorded to him in the thoughtd other man by reason of respect or natural love.

Pessimism, when you get used to it, is just as agreeable as optimism.

Onlywhen all contribute their firewood can they build up a strong fire.

Truth is strengthened by observation and delay, falsehood by haste and uncertainity.

If you would know what nobody knows, read what everybody reads just after one year afterwards.

If Igive you an idea, and you give me an idea, we will each have two ideas.

Freedom demands respect for the freedom of others.

There is all the difference in the world between having something to say and havingto say something.

Optimists and pessimists have one fault in common: they are afraid of the truth.

.Oneshould count each day a separate life.