组合数学是不用计数的计数艺术。
Combinatorics is the art of counting without counting.
It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied.
我认为最好的电影是由角色驱动的,由人驱动的,而不是由特效或动作场面驱动的。