使变量可变很容易。控制恒定的持续时间是诀窍。

Environmental stewardship is not optional - it's our responsibility to future generations.

The only way to do great work is to love what you do.

"The more you try to control the lie, the more it controls you."

即使是最坚强的灵魂，也会被爱击垮。

Writing is like sex. First you do it for love, then you do it for your friends, and then you do it for money.

城市是由其居民写就的一本书。

The power of technology lies in its ability to connect people and ideas.