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

For at least another hundred years we must pretend to ourselves and to every one that fair is foul and foul is fair; for foul is useful and fair is not. Avarice and usury and precaution must be our gods for a little longer still.

It is Enterprise which build and improves the world's possessions...If Enterprise is afoot, Wealth accumulates whatever may be happening to Thrift; and if Enterprise is asleep, Wealth decays, whatever Thrift may be doing.

Thus, the weight of my criticism is directed against the inadequacy of the theoretical foundations of the laissez-faire doctrine upon which I was brought up and for many years I taught

The engine which drives enterprise is not thrift, but profit.

Newton was not the first of the age of reason, he was the last of the magicians.

An investor who proposes to ignore near-term market fluctuations needs greater resources for safety and must not operate on so large a scale, if at all, with borrowed money.