To make mistakes is human. To own your mistakes is divine. Nothing elevates a person higher than quickly admitting and taking personal responsibility for the mistakes you make and then fixing them fairly. If you mess up， fess up. It’s astounding how powerful this ownership is.

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

善不是出自内心的，不能保留；行为不能从自身辩明的，不能去做。善不是出自内心的，只能够勉强支撑一时，必然不能长久。所以也只能使伪善。

A company's culture is defined by the worst behavior the leader is willing to tolerate.

如果因为这些而损害夺取人民的衣食之资,仁义的人是不会去做的。