The brains of humans contain a mechanism that is designed to give priority to bad news.

Question: So investors shouldn't delude themselves about beating the market? Answer: "They're just not going to do it. It's just not going to happen."

Laziness is built deep into our nature.

When you look at the books about well-being, you see one word - it's happiness. People do not distinguish.

In a rising market, enough of your bad ideas will pay off so that you'll never learn that you should have fewer ideas.

People are really happier with friends than they are with their families or their spouse or their child.

In essence, the optimistic style involves taking credit for successes but little blame for failures.