Excerpt from Contact Ethics
The explanation is this:
The connotation of goodness is equality, which is a principle. The distinction between good and bad depends on equality and fairness.
The heart is the root of all kinds of consciousness, and the meaning of things is felt through the heart. With principles, we need to fundamentally determine the extension of good.
Knowing goodness makes it clear that the function of goodness is to get rid of evil, and it is necessary to make good use of it to have good results.
Finally, the goal of mankind. If you want to be a good person, don't do it because of small evils.
This is a high generalization of goodness, and if you want to choose one of the most valuable famous sayings about goodness from ancient and modern books at home and abroad, it is nothing more than this.