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.

天地和宇宙虽然广阔，但在更大的尺度上也不过是一小部分。

We are all in the gutter, but some of us are looking at the stars.

The greatest inventions are those which most directly meet the wants of mankind.