I truly believe that we have infinite levels of power that we don't even know are available to us.

The moment I understood this - that my Parkinson's was the one thing I wasn't going to change - I started looking at the things I could change, like the way research is funded.

Always be available to your kids. Because if you say, 'Give me five minutes, give me ten minutes,' it'll be 15, it'll be 20. And then when you get there, the shine will have worn off whatever it is they wanted to share with you.

Curiosity may have killed the cat, but it saved my ass.

The thing that brings people to wail at a wall, or face Mecca, or to go to church, is a search for that feeling of purity.

I see possibilities in everything. For everything that's taken away, something of greater value has been given.

The only thing worse than an opportunity you don't deserve is blowing an opportunity.