Albert Barnes' Notes on the Whole Bible - Deuteronomy 21:18-21
The formal accusation of parents against a child was to be received without inquiry, as being its own proof. Thus the just authority of the parents is recognized and effectually upheld (compare Exodus 20:12; Exodus 21:15, Exodus 21:17; Leviticus 20:9); but the extreme and irresponsible power of life and death, conceded by the law of Rome and other pagan nations, is withheld from the Israelite father. In this, as in the last law, provision is made against the abuses of a necessary authority. read more
The Pulpit Commentary - Deuteronomy 21:18-23
Parental authority enforced. It is plain that parents are to deal with their children to the best of their ability: but in case a stubborn and rebellious son would not hearken to father or mother, would not appreciate chastisement, and had become a drunkard and glutton, then the parents were directed to bring the case before the elders of the city, and the impenitent, licentious son was to be taken away from the earth by public stoning. The public law was thus, in the last resort, to back... read more