Writing is a way of making sense of the world.

Man is not by nature a social animal.

"Innovation in algorithms often comes from looking at old problems in new ways."

The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.

People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them.

Real freedom does not mean that you can do anything you want, rather you can reject what you do not want to do.

每一本书都是通往另一个世界的门，一个只存在于读者想象的世界。