释义：在探究事物的道理和实践中，要像在独处时一样谨慎自律，时刻保持警惕、戒备，防止自己的所思所为有不符合天道良知的事情，通过对私欲的严防死守和克除，实现致良知和修身的目的。
A 1% drop in user experience becomes a 100% disaster at scale.
可怜的是那些快乐取决于他人许可的人。
Democracy... while it lasts is more bloody than either aristocracy or monarchy. Remember, democracy never lasts long. It soon wastes, exhausts, and murders itself. There is never a democracy that did not commit suicide.
教师的爱是滴滴甘露，即使枯萎的心灵也能苏醒；教师的爱是融融春风，即使冰冻了的感情也会消融。
I think it's important to take risks, to step out of your comfort zone.