I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
Science is not only a discipline of reason but also one of romance and passion.
一个人若不能治理自己,便不能治理家庭;若不能治理家庭,便不能治理城市;若不能治理城市,便不能治理国家。
The highest art is to conceal art.