語出：《史記·商君列傳》
反聽，善於聽取忠言逆耳、從善如流；內視，自省、慎獨；自勝，居安思危、克己復禮
Those who could follow good advices though harsh to listen to may be labeled as wise ones.
And those who could self-examine himself at times may be defined as sensible guys.
While those who could prepare for dangers in times of safety and thus win over the devil Inside(戰勝自我心魔) may be described as powerful people.
Quoted from the Biographies of Shangjun(hense Shang Yang，商鞅) of Shih Chi(港式拼音；或意譯：Records of the Grand Historian)