Quality should never be compromised for short-term gains.
永远不要为了短期利益而牺牲质量。
History does not long entrust the care of freedom to the weak or the timid.
The stories we tell about ourselves are as important as the lives we lead.
I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.
Keep cool, but care.
The best reader is the writer who reads his own work.
概率论归根结底不过是常识的微积分化。