Chapter 9 presents education as the formation of heart through love, not the transfer of knowledge alone. Children are meant to learn what reality is inside a home where parents love God, love each other, and love their children in a way that makes divine love believable.
The chapter’s practical center is imitation. Parents teach by being the kind of people their children can admire, follow, and eventually resemble. Filial piety, public-heartedness, and conjugal unity are all taught most effectively when they are embodied before they are explained.
It also frames discipline as secondary to relational trust. Parents are to be their children’s best friends and best teachers, so correction is only legitimate when it remains governed by a love greater than the pain it causes.