追求高效算法的核心是一项数学努力，它挑战了我们对复杂性和可计算性的理解。

The goal of mathematics is to understand the universe in a deeper way.

Your best job will be one that you were unqualified for because it stretches you. In fact， only apply to jobs you are unqualified for.

"The present is a fragile bridge between the past and the future, and we are all just trying to cross it without falling."

没有道德或不道德的书，只有写得好或写得差的书。

To write is to rewrite, and to rewrite is to understand.

可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。