By ethical argument and moral principle the greatest crimes are eventually shown to have been necessary, and, in fact, a signal benefit to mankind.
ZhuangziThere is a saying that Heaven is internal, humanity external and Virtue comes from the Heavenly. Know Heaven and humanity's actions, root yourself in Heaven and follow Virture.Then you can bend, stretch, rush forward or hold back, because you will always return to the core and it will be said you have achieved the supreme.
ZhuangziIn a river mist, if another boat knocks against yours, you might yell at the other fellow to stay clear. But if you notice then, that it's an empty boat, adrift with nobody aboard, you stop yelling. When you discover that all the others are drifting boats, there's no one to yell at. And when you find out you are an empty boat, there's no one to yell.
ZhuangziWhen the shoe fits, the foot is forgotten; when the belt fits, the belly is forgotten; when the heart is right, "for" and "against" are forgotten. There is no change in what is inside, no following what is outside, when the adjustment to events is comfortable. One begins with what is comfortable and never experiences what is uncomfortable, when one knows the comfort of forgetting what is comfortable.
Zhuangzi