I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.

无论我们承认与否，过去始终存在。

Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.

Acting is not about being someone else. It's about finding the truth in yourself.

The true challenge in computer science is not just to build faster computers, but to develop smarter algorithms.