真理就是在经验面前站得住脚的东西。

心智是一个计算器官的系统，通过自然选择设计来解决我们祖先在觅食生活方式中面临的各种问题。

数学之美在于它能够连接看似无关的思想。

I think it's rarely about what you actually learn in class. It's mostly about the way that you look at things.

The writer is someone who plays with the body of his mother.