What we learn from history is that people don't learn from history.

Efficiency is doing things right; effectiveness is doing the right things.

歌唱就是双倍的祈祷。

Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.

技术本身没有价值，只有应用到实际生活中才有价值。