最好的还在后头，生命的最后，是为了最初而存在的。

What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.

Treating a person to a meal never fails， and is so easy to do. It’s powerful with old friends and a great way to make new friends.

你注定成为的唯一的人是你决定成为的人。