我不是悲观主义者。我是一个经历了很多的乐观主义者。

向更清洁能源的过渡是不可避免的；那些抗拒的人将被抛在后面。

The beauty of mathematics lies in its ability to describe the universe in the simplest terms.

I think it's important to have a good hard failure when you're young... I learned a lot from that. Because it makes you kind of aware of what can happen to you. Because of it, I've never had any fear in my whole life when we've been near collapse and so on. I've never been afraid.