The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.

You have to be true to yourself. Strong enough to be true to yourself. Brave enough to be strong enough to be true to yourself. Healthy enough to be brave enough to be strong enough to shape yourself from what you actually are.

I’m not sure if I believe in God, but I believe in art.

It is the duty of the human understanding to understand that there are things which it cannot understand.

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.

The most successful leaders are those who listen more than they speak.