The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

Innovation is not just about technology; it's about changing the way people think and act.

There is no such thing as society: there are individual men and women, and there are families.

The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.

Our cognitive biases are not just errors in judgment; they are windows into the evolutionary adaptations of the human brain.

In mathematics, you don't understand things. You just get used to them.

Every line you draw is a moral decision.