人类的存在是宇宙中一种微小而独特的表现，我们应当珍惜并在有限的生命中发挥出色。

The greatest question of our time is not communism versus individualism, not Europe versus America, not even the East versus the West; it is whether man can bear to live without God.

I don’t need a reason to be alive.

Act as if what you do makes a difference. It does.

机器人技术的创新需要机械工程、电子学和计算机科学的结合。

In the end, we will remember not the words of our enemies, but the silence of our friends.