Behind the black portent of the new atomic age lies a hope which, seized upon with faith, can work out salvation... Let us not deceive ourselves: we must elect world peace or world destruction.

Two things are bad for the heart - running up stairs and running down people.

Get to know yourself. Know your own failings, passions, and prejudices so you can separate them from what you see. Know also when you actually have thought through to the nature of the thing with which you are dealing and when you are not thinking at all... Knowing yourself and knowing the facts, you can judge whether you can change the situation so it is more to your liking. If you cannot--or if you do not know how to improve on things--then discipline yourself to the adjustments that will be necessary.

All economic movements, by their very nature, are motivated by crowd psychology.

When the outlook is steeped in pessimism, I remind myself, "Two and two still make four, and you can't keep humankind down for long."

Even when we know what is right, too often we fail to act. More often we grab greedily for the day, letting tomorrow bring what it will, putting off the unpleasant and unpopular.

Colleges don't teach economics properly. Unfortunately we learn little from the experience of the past. An economist must know, besides his subject, ethics, logic, philosophy, the humanities and sociology, in fact everything that is part of how we live and react to one another.