能源危机是一个可以解决的问题——如果我们现在行动的话。

If you can't explain your chemistry to a non-scientist, you don't understand it well enough.

The best way to predict the future is to implement it.

我不需要理由去快乐。

我不会让噪音淹没我的声音。

I don't know what I would do if I didn't act. I think I would go mad.