Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory.

Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory.

Kids are natural scientists.

There are two things that I get a lot of pleasure from in my life, and that is, doing what I know how to do well - that really makes me happy. The other one, and probably an equal pleasure, is finding out how I can be helpful and then really being helpful.

For humans, flying isn't magic, it's physics.

I had never really wanted to be famous. Everyone is supposed to want to be rich and famous, but as a boy I never knew what rich was, and the first view I had of famous made me leery.

I found I wasn't asking good enough questions because I assumed I knew something. I would box them into a corner with a badly formed question, and they didn't know how to get out of it. Now, I let them take me through it step by step, and I listen.