The essential notion of a capitalist society ... is voluntary cooperation, voluntary exchange. The essential notion of a socialist society is force.

I'd like to promote lots of things. I'd like to promote elimination of drug prohibition. I'd like to promote parental choice in education through vouchers. Those are two things I think are very urgent and important. They're both more important than the harm which Social Security will do.

You cannot be sure that you are right unless you understand the arguments against your views better than your opponents do.

The difference between me and people like Murray Rothbard is that, though I want to know what my ideal is, I think I also have to be willing to discuss changes that are less than ideal so long as they point me in that direction.

A society that puts equality - in the sense of equality of outcome - ahead of freedom will end up with neither equality or freedom. The use of force to achieve equality will destroy freedom. On the other hand, a society that puts freedom first will, as a happy by-product, end up with both greater freedom and greater equality. Freedom means diversity but also mobility. It preserves the opportunity for today's less well off to become tomorrow's rich, and in the process, enables almost everyone, from top to bottom, to enjoy a richer and fuller life.

Everywhere, and at all times, economic progress has meant far more to the poor than to the rich.

The one thing that’s missing, but that will soon be developed, is a reliable e-cash, a method whereby on the Internet you can transfer funds from A to B, without A knowing B or B knowing A.