The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.

"History is not just about events, but about the people who lived through them."

"The interplay between mathematics and computer science is a rich source of deep and beautiful results."

宝剑干将虽然锋利无比、名闻天下，但是，木匠用它伐树却比不上斧头。点评：方法不对，适得其反。