If I hold back any part of me, I suppress that much energy and potential. The question I want to ask myself now is not what behavior is good or bad, but in what ways would I express myself with greater energy if I didn't hold back.

Almost any difficulty will move in the face of honesty. When I am honest I never feel stupid. And when I am honest I am automatically humble.

Maturity is wanting nothing but what we see with the purity of our heart.

We are always influenced because we do not live in a vacuum together with our intentions. We are in a relationship with everything that occurs.

A man is usually more careful of his money than of his principles.

Every family should have the right to spend their money, after tax, as they wish, and not as the government dictates. Let us extend choice, extend the will to choose and the chance to choose.

Freakonomics' began with a 'N.Y. Times Magazine' profile I wrote about Steve Levitt. I was working on a book about 'the psychology of money,' and since Levitt's an economist, my editor thought I'd be the guy to write about him. Fact is that Levitt has almost no interest in either psychology or money.

The prevailing ideology of the modern west - which is political economy - is in the doghouse. Having failed to notice atmospheric pollution, the economists then frightened themselves with the sort of financial crisis they said they had abolished.