Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.

The challenge in theoretical computer science is not just to solve problems, but to understand the nature of problem-solving itself.

The best way to predict the future is to create it.

历史不是发生过的事，历史只是历史学家告诉我们的故事。