When people are least sure, they are often most dogmatic.

Only foolish people are completely secure.

The questions that are beyond the reach of economics-the beauty, dignity, pleasure and durability of life-may be inconvenient but they are important.

We shall have a race of men who are strong on telemetry and space communications but who cannot read anything but a blueprint or write anything but a computer program.

Emancipation of belief is the most formidable of the tasks of reform and the one on which all else depends.

There can be no question, however, that prolonged commitment to mathematical exercises in economics can be damaging. It leads to the atrophy of judgement and intuition. . .

The notion that you would initiate a new product without preparing the way by persuasion and advertising and salesmanship is fantastic. It's an integral part of the system.