I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

Innovation is at the heart of what we do. It's how we meet the world's growing energy needs while reducing our environmental footprint.

The conversation about coal must move beyond 'pro' or 'anti'—we need solutions, not slogans.

最个人的东西就是最具创造性的。

梦想是照亮前路的灯塔。

我离开职位的时间越长，我就越觉得自己是无所不能的。