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。
The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.
我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。
The best way to invest is to look at what’s happening in the real world and invest accordingly.