The days are over when technology can be advanced in laboratories by individual scientists alone. Now you need an army of lawyers to negotiate the hazardous terrain of interlocking patents. Unless we find a solution to the problem of interlocking patents, the patent system may actually impede the very innovation it was designed to encourage.

Self-interest, to be sure, is one of the most important, but we have many other motives - honesty, self-respect, altruism, love, sympathy, faith, sense of duty, solidarity, loyalty, public-spiritedness, patriotism, and so on - that are sometimes even more important than self-seeking as the driver of our behaviors.

Culture changes with economic development.

People who live in poor countries have to be entrepreneurial even just to survive.

Financial markets need to become less, not more, efficient.

Since the 1980s, we have given the rich a bigger slice of our pie in the belief that they would create more wealth, making the pie bigger than otherwise possible in the long run. The rich got the bigger slice of the pie all right, but they have actually reduced the pace at which the pie is growing.

Assume the worst about people and you get the worst.