在以情动人前，你自己要先被打动。在你催人泪下前，你自己要热泪盈眶。在你以理服人前，你自己要坚信不疑。

科学中真正的理解来自于连接看似不相关的点。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

The most expensive cost in free-to-play games is players' trust—once overdrawn, it can never be bought back.