The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

追求平等既需要个人的勇气，也需要集体的行动。

The challenge in computer science is to bridge the gap between the theoretical models and practical applications.

作家必须是自由的捍卫者，即使以他自己的舒适为代价。