解决复杂问题的关键是提出正确的因果问题。

最深的欲望总能引起最深的仇恨。

恐惧是世界上最强大的武器。

The greatest weapon against stress is our ability to choose one thought over another.

"Every saint has a past, and every sinner has a future."

We are all in the gutter, but some of us are looking at the stars.

最有效的调试工具仍然是仔细的思考，再加上明智地放置的打印语句。