"Words have power, but silence can be even more powerful."
Train people well enough so they can leave, treat them well enough so they don't want to.
互联网是我们社会的反映,这面镜子可能是讨人喜欢的,也可能是不讨人喜欢的,这取决于谁在看。
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.