No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细，所有行为都可以用刺激和反应来解释。
冲去污浊的水，扬起清澈的水流；废除贪婪，树立廉洁
We triumph without glory when we conquer without danger.
Everything is hard before it is easy. The day before something is a breakthrough， it’s a stupid idea.
微子：商纣王的庶兄。箕子：商纣王的诸父，曾数次谏纣王，王不听把他囚禁。【大意】扁鹊不能使枯骨上长出肉来，微子和箕子不能使将亡之国得以生存下去。
