The more you know yourself, the more patience you have for what you see in others.

Sometimes the hardest thing in life is to know which bridge to cross and which to burn.

Investing in cleaner coal technologies is an investment in our future.

我们这个时代的巨大挑战是建立能够管理现代社会复杂性的机构。

我不怕被误解，因为时间会证明一切。