The best way to cheer yourself up is to try to cheer somebody else up.
To every action there is always opposed an equal reaction; or, the mutual actions of two bodies upon each other are always equal, and directed to contrary parts.
万物浑然天成,吾辈因何而生?
算法的创新往往来自于以新的方式看待旧问题。
I am interested in the human condition, in what it means to be alive, in the nature of existence.