商场如战场，防人之心不可无。  

I don’t live for the approval of others. I live for myself.

"The reason death sticks so closely to life isn't biological necessity—it's envy. Life is so beautiful that death has fallen in love with it, a jealous, possessive love that grabs at what it can."

在存在的静默中，答案自然浮现。

We need to be able to trust the infrastructure of the Internet.

每一种化学结合完全且仅仅依赖于两种对立的力量，即正电和负电。