成长是痛苦的，但没有什么比停滞不前更痛苦。

Education is the most powerful weapon which you can use to change the world.

The path to lower emissions requires a mix of solutions, including efficiency improvements, carbon capture, and alternative energies.

It's not about how bad you want it. It's about how hard you're willing to work for it.

让我们只关注一个目标，即人类的福祉；让我们抛开语言、国籍或宗教方面的所有自私考虑。