We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.
The challenge is to make the invisible visible.
Intelligence emerges from the interaction of simple processes.
A man should always consider how much he has more than he wants.
Coal’s future depends on our ability to make it cleaner and more efficient.
"I don't want to be a one-hit wonder. I want to have a career."