What does it mean to have a respected son's interest?

The meaning of this sentence is as follows:

"Only respected and respected people have children's interests" is an idiom, which means "only noble and respected people have beloved offspring". This idiom mainly emphasizes the influence of parents' morality and behavior on children, so that the child can become a respected and trusted person.

Because parents' virtue and behavior are the main source of education for children, parents' good conduct and excellent character are extremely important to children, and children are likely to imitate their parents' behavior and virtue. So this sentence also reminds people that while educating their children, they should constantly improve their moral character and ability, which will effectively affect the growth and development of future generations.