The best investments are those that create long-term value, not just short-term gains.
Every mathematical problem is a window into a new world of understanding.
我不是说唱歌手，我是一个阅读的传奇。
A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.