实现明天理想的唯一障碍是今天的疑虑。

I think that’s the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

We must think beyond our own lifetimes when it comes to energy.

The true test of a society is how it treats its most vulnerable members.

在黑暗中，语言是引导我们的光。

弄虚作假不能长久，遮掩虚假不能长远。