在数学中,你并不理解事物。你只是习惯了它们。
In mathematics, you don't understand things. You just get used to them.
"The truth is rarely pure and never simple."
The first duty of a storyteller is to tell a story.
一位哥伦比亚大学的学生问到巴菲特关于投资美国航空的原因,他说