You have privacy if you retain the effective capacity to misrepresent yourself.

Freedom, security, convenience - choose two

Work like Hell. Share all you know. Abide by your handshake. Have fun.

The price of freedom is the probability of crime. The price of protection is the probability of slavery.

The grass remains green only as long as you water it. Similarly, a relationship remains fresh only as long as you nurture it with love.

We need to move from comparative advantage to perpetual advantage...

I like people and get along, and I'm afraid to express my anger and my rage.

If what your country is doing seems to you practically and morally wrong, is dissent the highest form of patriotism?

people will tell you were they have gone, they'll tell you where to go, but until you get there for yourself you never really know.

For anyone addicted to reading commonplace books . . . finding a good new one is much like enduring a familiar recurrence of malaria, with fever, fits of shaking, strange dreams . . . .

Scientific progress makes moral progress a necessity; for if man's power is increased, the checks that restrain him from abusing it must be strengthened.

It's really funny if two women stand on the House floor. There are usually at least two men who go by and say, 'What is this, a coup?' They're almost afraid to see us in public together.

The cool part about New York is that you can do that. You can talk to all the people you admire.

Mathematics may be compared to a mill of exquisite workmanship, which grinds your stuff to any degree of fineness.