每一个数学问题都是通向更深入理解世界的窗口。
Every mathematical problem is a window into a deeper understanding of the world.
We try to buy stocks that are selling below their book value.
Education is the first step toward sustainable fishing and farming practices.
The past is a place we can visit but never stay.
What you have to do is break all the rules.
The best way to think about a program is to think about it.