The true measure of a leader is how they empower others to succeed.
The questions we ask today will shape the solutions of tomorrow.
"In the middle of difficulty lies opportunity."
The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.
When [competitors are] in the shower in the morning, they're thinking about how they're going to get ahead of one of their top competitors. Here in the shower, we're thinking about how we are going to invent something on behalf of a customer.
The best thing about success is being able to share it.
The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.