The mother is the main factor in the child's world. Her behavior creates the behavior of the child.
The only existence we conceive is the existence of sensible things.
小人办事,处理的原则是私利,合于私利的就看作利,违背私利的就看作害;君子办事,衡量的标准是道义,合于道义的就看作利,违反道义的就看作害。