George Stigler was a delightful correspondent. In a letter from London in 1948, after remarking on the inconvertibility of the pound and the inedible, still-rationed food, he concluded, "So here I am losing weight and gaining pounds.

...theories should be judged by their ability to predict events rather than by the realism of their assumptions.

The Soviet experience was much worse than experts in the West had thought. That discovery had a tremendous impact both on the intellectual community and on the public at large.

A private enterprise system needs some measuring rod, it needs something, it needs money to make its transactions. You can't run a big complicated system through barter, through converting one commodity into another. You need a monetary system to operate. And the instability in that monetary system is devastating to the performance of the economy.

The proper role of government is exactly what John Stuart Mill said in the middle of the 19th century in "On Liberty." The proper role of government is to prevent other people from harming an individual. Government, he said, never has any right to interfere with an individual for that individual's own good.

The fall of the Berlin Wall did more for the progress of freedom than all of the books written by myself or Friedrich Hayek or others.

You can only make money if you buy a product, whatever it is - maybe a currency, maybe wheat and maybe something else - at a relatively low price and sell it at a higher price than you buy it at. There's no other way to make money.