Nobody writes a book to get rich. It's like speaking.

Optimism is the ability to focus on where we're going, not where we're coming from.

Great leaders don't need to act tough. Their confidence and humility serve to underscore their toughness.

Work hard to seem infallible and others will work to find our flaws. Admit our shortcomings and others will work to help us be infallible.

The true price of leadership is the willingness to place the needs of others above your own. Great leaders truly care about those they are privileged to lead and understand that the true cost of the leadership privilege comes at the expense of self-interest.

When my books came out, they started selling but they started selling at a relatively consistent but low pace. And they started to pick up the pace.

Any parent who tells their kids that they can't attend a school play or go to a soccer match because they have to work is kidding themselves. It's OK to miss a game or two or a performance here and there, but it's not all right to miss the majority of them.