Science has promised us truth. It has never promised us either peace or happiness.

The cause of liberty becomes a mockery if the price to be paid is the wholesale destruction of those who are to enjoy liberty.

Mostpeople I ask little from. I try to give them much, and expect nothing inreturn and I do very well in the bargain.

Can we do good to the world? In an absolute sense, no; in a relative sense, yes.

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...

Cheat me in the price but not in the goods i purchase.

He whocannot agree with his enemies is controlled by them.

Every man has the right to feel that "Because of me was the world created".

Whenevertwo good people argue over principles, they are both right.

Be yourself and speak your mind today, though it contradicts all you have said before.

I know youbelieve you understand what you think I said, but I'm not sure you realizethat what you heard isn't what I meant.

Ability is poor men's wealth