The challenge of modern physics is not just to understand the universe, but to understand our place within it.

Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

The process of solving a mathematical problem is often more important than the solution itself.

如果数据不能证明索引获胜，那么数据是错误的。

写下那些不该被遗忘的事。

成功投资的关键是拥有强大的心理承受能力。