Happiness is not a right; it is a rare and precious exception.

The only limits you have are the limits you believe.

In the realm of theoretical computer science, we often find that the most profound insights come from the simplest ideas.

Excellence is not an act, but a habit.

我爱你，不是因为你是一个怎样的人，而是因为我喜欢与你在一起时的感觉。

Leadership is about leaving a legacy, not just a balance sheet.

理论必须是美丽的。