The interplay between discrete mathematics and computer science has been a fertile ground for innovation and discovery.

Leadership is about inspiring others to see the potential in themselves.

When speaking to an audience it’s better to fix your gaze on a few people than to “spray” your gaze across the room. Your eyes telegraph to others whether you really believe what you are saying.

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

The past is a foreign country; they do things differently there.

人必须在具体事情上磨炼功夫，才能有所收获。如果只是喜欢安静，遇到事情就会慌乱，终究不会有进步。