学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
做好准备。当你完成任何大型项目（房子、电影、活动、App）的90%时，其余无数的细节将需要第二个90%来完成。
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
You can't cut corners on ethics and expect long-term success.
投资的关键是拥有安全边际。
