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

I don't enjoy eating humble pie; it never tastes good. But I do appreciate it when it happens.

The cost of leadership is self-interest.

The difference between those who do and those who don't is that those who don't believe it when they are told they can't.

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

When we are in groups, when we are surrounded by people who believe what we believe, trust emerges and our very survival and progress goes up.

Leadership is a way of thinking, a way of acting and, most importantly, a way of communicating.