控制的艺术在于处理未知和不可预测的事物。

"Don't be afraid to give up the good to go for the great."

I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.

The only way to do great work is to love what you do.

Technology is the great enabler in our quest for cleaner and more efficient energy solutions.

We are survival machines—robot vehicles blindly programmed to preserve the selfish molecules known as genes.