Rapid increases in the quantity of money produce inflation. Sharp decreases produce depression.

We have a freer world because of the collapse of the Soviet Union and the changes in China. Those two have been the main contributors to freedom in our time.

The important issue is not how much inequality there is but how much opportunity there is for individuals to get out of the bottom classes and into the top. If there is enough movement upward, people will accept the efficiency of the markets. If you have opportunity, there is a great tolerance for inequality. That has been the saving grace of the American system.

For one thing, there are many "inventions" that are not patentable. The "inventor" of the supermarket, for example, conferred great benefits on his fellowmen for which he could not charge them. Insofar as the same kind of ability is required for the one kind of invention as for the other, the existence of patents tends to divert activity to patentable inventions.

If you have free immigration, in the way we had it before 1914, everybody benefited. The people who were here benefited. The people who came benefited. Because nobody would come unless he, or his family, thought he would do better here than he would elsewhere. And, the new immigrants provided additional resources, provided additional possibilities for the people already here. So everybody can mutually benefit.

Because it is one thing to have free immigration to jobs. It is another thing to have free immigration to welfare. And you cannot have both. If you have a welfare state, if you have a state in which every resident is promises a certain minimal level of income, or a minimum level of subsistence, regardless of whether he works or not, produces it or not. Then it really is an impossible thing.

Statistics do not speak for themselves.