I don't hire any companies or ask any of my friends to write reviews for me on Amazon when I have a book come out so they can drive up my ratings on Amazon. I don't have a publicist.

We pursue exercise even though empirically we see no benefit from the energy we're spending and we're hurting. So empirically we should quit. The why is exactly the same thing. You persist even though there are some short-term stresses and even though there is some uncertainty.

Knowledge is understanding based on what has been studied and learned. Wisdom is understanding based on what has been felt and experienced.

Leave America and you'll find that the consumers in many other countries enjoy watching advertising. Not because the products are better, but because the ads are produced to be entertaining. Sometimes they are funny. Sometimes they are dramatic. Sometimes they are just beautiful.

Babe Ruth was not afraid to strike out. And it was this fearlessness that contributed to his remarkable career.

Authorities act with themselves in mind. Leaders act with others in mind. Authorities take. Leaders give. Authorities die. Leaders live on.

We must be clear about where we’re going if we want anyone to help us get there.