一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。

森林是地球的肺，我们不要让它窒息。

Our highest endeavor must be to develop free human beings who are able of themselves to impart purpose and direction to their lives.

我画得越多，就越不在乎别人的想法。

Silence is a virtue, but silence in front of someone you like is cowardice.

The future belongs to those who can adapt while maintaining operational excellence.

胜利很棒，但旅程才是让它特别的原因。