我们不是从祖先那里继承了地球，而是从子孙那里借来的。

Technology without ethics is just faster digging.

The office of President is one which requires the utmost diligence and attention.

To write is to engage with the world.

我不是在装酷，我只是在做自己。

实现明天理想的唯一限制是我们今天的疑虑。