The infinite library of the Universe is in your mind.

As long as you are going to be thinking anyway, think big.

Let us consider, first, the need for a tough mind, characterized by incisive thinking, realistic appraisal, and decisive judgment. The tough mind is sharp and penetrating, breaking through the crust of legends and myths and sifting the true from the false.

I don't think of my life as a career. I do stuff. I respond to stuff. That's not a career - it's a life!

We believe people with passion can change the world for the better. That's what we believe. And we believe that those people who are crazy enough to think they can change the world are the ones that actually do.

The smartest people are constantly revising their understanding, reconsidering a problem they thought they'd already solved. They're open to new points of view, new information, new ideas, contradictions, and challenges to their own way of thinking.