Beat his sides while he is still young, lest becoming stubborn, he disobey thee.
WEB
Sirach 30:12
Bow down his neck in his youth, and beat him on the sides while he is a child, lest he become stubborn, and be disobedient to you, and there be sorrow to your soul.
Parallel Translations
Bow down his neck while he is young, and beat him on the sides while he is a child, lest he wax stubborn, and be disobedient to you, and so bring sorrow to your heart.
Bow down his neck while he is young, and beat him on the sides while he is a child, lest he wax stubborn, and be disobedient unto thee, and so bring sorrow to thine heart.