When the facts change, I change my mind.

Americans are apt to be unduly interested in discovering what average opinion believes average opinion to be.

Practical men who believe themselves to be quite exempt from any intellectual influence, are usually the slaves of some defunct economist. Madmen in authority, who hear voices in the air, are distilling their frenzy from some academic scribbler of a few years back

The introduction of a substantial Government transfer tax on all transactions might prove the most serviceable reform available,with a view to mitigating the predominance of speculation in the United States.

If you owe your bank a hundred pounds, you have a problem. But if you owe a million, it has.

In a regime of Free Trade and free economic intercourse it would be of little consequence that iron lay on one side of a political frontier, and labour, coal, and blast furnaces on the other. But as it is, men have devised ways to impoverish themselves and one another; and prefer collective animosities to individual happiness.

It is astonishing what foolish things one can temporarily believe if one thinks too long alone, particularly in economics.