The past is a foreign country; they do things differently there.
人是生而自由的，但却无往不在枷锁之中。自以为是其他一切的主人的人，反而比其他一切更是奴隶。
教师必须既是学生的研究者，也是学科的研究者。
Leadership is about listening as much as it is about directing.
概率论归根结底不过是常识的微积分化。