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...

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

Don't beafraid of opposition. Remember, a kite rises against, not with, the wind.

Don't throwout the baby with the bath water.

Any child who has parents who are interested in him and has a house full of books isin't poor.

Don'tput all your eggs in one basket.

A shipin harbor is safe, but that is not what ships are built for.

Humality is a strange thing. The minute you think you've got it, you've lost it.

All that is sometimes needed to make you content with you lot is a bad dream.

Nature hasgiven men one tongue and two ears, that we may hear twice as much as wespeak.

The most important things are the hardest to say, because words diminish them.

The last function of reason is to recognize that there is an infinity of things which surpass it.