You have been created with the ability to change the world. Every single choice you make ... every single action you take ... matters. But remember, the converse is also true. Every choice you do not make ... every action you do not take ... matters just as much.

Knowledge is one thing. We're awash in knowledge. Wisdom is rare. There's a big difference.

I believe that any type of education can be great, but an education about ourselves can create something wonderful. I am a comedian, but people have called me a motivational speaker. I don't really consider myself that at all.

The situations that have been the biggest wins for me have been because I was forced to think differently.

I start every day making sure I'm where I need to be and thinking like I need to think.

We have to prepare our teenagers and our children for a world away from us. That requires explanations. That requires understanding.

My life - my personality, my habits, even my speech - is a combination of the books I choose to read, the people I choose to listen to, and the thoughts I choose to tolerate in my mind