技术创新的核心是解决实际问题，而不是为了创新而创新。

When you can do the common things of life in an uncommon way, you will command the attention of the world.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

We're here to put a dent in the universe. Otherwise why else even be here?

"The most important thing for any leader is to create more leaders."

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。