You can't tell a kid that it's time to exercise; that's a turn-off...you have to say 'Let's go to the park and have some fun.' Then you get them to do some running, play on the swings, practice on the balance beam, basically get a full workout disguised as play.

I think that the only way that you really keep it a secret is by not telling anyone.

The last three or four reps is what makes the muscle grow.

Mistakes are made in every other human endeavor. Why should nuclear weapons be exempt?

As you know, I'm an immigrant. I came over here as an immigrant, and what gave me the opportunities, what made me to be here today, is the open arms of Americans. I have been received. I have been adopted by America.

You keep pushing because you believe in yourself and in your vision and you know that it is the right thing to do, and success will come. So don't be afraid to fail!

I don't walk away from things that I think are unfinished.