To rein a kingdom efficiently it is necessary, before all, to put into good order the family. It's impossible for a man who doesn't know how to lead his own family to know how to lead a country.
Because the newer methods of treatment are good, it does not follow that the old ones were bad: for if our honorable and worshipful ancestors had not recovered from their ailments, you and I would not be here today.
There are those men who say to repay evil with kindness. But I say, how then are we to repay kindness? Repay kindness with kindness, but repay evil with justice.