Violence is not just physical; it's embedded in our systems and structures.

坚持是数学研究的关键，许多伟大的成果来自于长期的奋斗。

农业是文明的基础，我们必须投资于它的未来。

动力学的方程是完全的，我们无需超越它们。

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.