We ownalmost all our knowledge not to those who have agreed but to those who havediffered.

Ignorancedoesn't kill you, but it does make you sweat a lot.

Dig a well before you are thirsty.

Evil communication corrupt good manners.

The leaders who work most effectively, it seems to me,never say ‘I.’ And that's not because they have trainedthemselves not to say ‘I.’ They don't think ‘I.’ Theythink ‘we’; they think ‘team.’ They understand theirjob to be to make the team function. They

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

Honesty is like an icicle; if once it melts that is theend of it.

The fundamental concept in social science is Power, in thesame sense in which Energy is the fundamental concept in physics.

No manever did a designed injury to another, but at the same time he did a greaterto himself .

Whenangry, count to ten before you speak; if very angry a hundred.

Listening,not imitation, may be the sincerest form of flattery.

Concentration of wealth will never be a problem as long as we have those three great institutions for redistributing it: Taxes, wives, offspring.