改变的秘诀是将你所有的精力集中在建设新事物上，而不是与旧事物斗争。

Great brands are built one satisfied customer at a time.

数学是过去与未来的对话。

Memories， even your most precious ones， fade surprisingly quickly. But I don’t go along with that. The memories I value most， I don’t ever see them fading.

The best way to predict the future is to create it.

你唯一的限制就是自己设定的限制。