Leadership is not about being a nice person or not a nice person.

If you want to be a great leader, remember to treat all people with respect at all times. For one, because you never know when you'll need their help. And two, because it's a sign you respect people, which all great leaders do.

Good marketing speaks to human beings - the way human beings understand and take in information.

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.

Curiosity is essential for progress. Only when we look to worlds beyond our own can we really know if there's room for improvement.

Value is a perception not a calculation. Value is something people feel, not something we tell them they get

The quality of a leader cannot be judged by the answers he gives, but by the questions he asks.