组合数学就像是不用实际计数的计数艺术。
Don't play a supporting role in someone else's dream; be the protagonist of your own life.
在最低阶层中保存知识的手段对公众来说比国家中所有富人的所有财产都更重要。
你要记住,在敢于担当培养一个人的任务以前,自己就必须要造就一个人,自己就必须是一个值得推崇的模范。
A theory should not attempt to explain all the facts, because some of the facts are wrong.