每一个个体都很重要，每一个个体都有自己的角色，每一个个体都能带来改变。

The language of mathematics is universal, transcending cultural and linguistic barriers.

真正的数学家始终是学生，永远在学习。

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.