Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.

I don't care about the past, I care about the future.

Loneliness is the human condition. Cultivate it. The way it tunnels into you allows your soul room to grow.

The only thing that can save the world is the rediscovery of the human soul.

秘密的重量比石头更重。

生活中有些事比输赢比赛更重要。

We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.

The land we quarry is not ours to own, but ours to steward.