Sirach (Ecclesiasticus) 30:7-9 Good News Bible Catholic Edition (GNBDK)

7. But anyone who spoils his son will have to bandage his wounds. His heart will stop every time he hears a shout.

8. An untamed horse is going to be stubborn, and an undisciplined son is no different.

9. If you pamper your child and play with him, he will be a disappointment and a source of grief.

Sirach (Ecclesiasticus) 30