宇宙是我们为了理解混沌而讲给自己的故事。

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.

不同文化之间的对话不仅是可能的，而且是人类进步的必要条件。

教育儿童，就不需要惩罚成年人。