You must nurture your children in the discipline and admonition of the Lord (Eph. 6:4).
The discipline of the Lord is telling a person how they should behave themself. You must consider your children as Christians, not Gentiles. The Lord’s discipline tells a person how he should behave as a Christian. The Lord intends that all of our children become Christians. You should plan on all of them becoming not just Christians, but good Christians. So, there inlays your hope - right? Yet, you are bothered by his disrespecting your values. What happened to your hope?You should tell him what a proper Christian is by teaching him the discipline of the Lord.
The biggest thing about a child is his aspirations. Every child has an aspiration when he is young (or even mid-young).Parents must help their children to have proper aspirations. If you love the world, your children will probably want to be the president, a millionaire, or a great academic. How you live affectsthe aspirations of your child. Parents must learn to channel the ambitions of their children in theproper direction. They should aspire to be a lover of the Lord themselves. They should not aspire to love theworld. You have to be an example to them, and you have to tell them your ambitions. Now, in part, you have done this, but....you must also be as patient as God was with you - remember that?
Children have another problem: They are not only ambitious and aspiring but also proud ofthemselves. They may boast about their own cleverness, skill, or eloquence. He may think that heis a very special person. You, as a Parent, should not discourage him, but neither should you cultivate his pride.patience isn't compromise, its patience... So, "be anxious about nothing..." - yourself, and surrender your son to the Lord.
Then let go of the pangs of your rules; even while even while maintaining your rules objectively. Always use discipline that fits the crime, and always be respectful and gentle, never threaten, only follow thru with that which God has deemed reasonable.. In other words love him more not less while discussing and discovering God's truths with him in life; this takes time, so undo the time limit to loving. Discipline while you nurture; discipline for the sake of nurturing. If he isn't getting nurtured you are failing God's wishes;discipline not withstanding. We do not want our children tobecome disheartened, but neither do we want them to be proud or to think that they aresomebody that is set aside from God's wisdom and judgements.
A Christian needs to know how to appreciate others. It is easy to be victorious, but it is hard toaccept defeat. Your rules aren't God, only God is God. And although I don't disagree with your rules, you need to see the need here - the end-game as it were. It isn't his stupidity, that's the issue its his lack of vision for himself. Your rules are failing at this point right? Then let God move you to loving him in a flexible way. You can still place rules but be less demanding, or subjective, be simply objective. He needs to accept that there is value in his own life for being respectful to God, so show him why God's Word is his BEST choice for himself, and let him fail if he so chooses, but be there to help him alongside every step in godly encouragement.
If you discuss and discover with him Gods love over your points God has given you, by being vulnerable you invite him into sharing his insights with you instead of hiding himself from you. In time God will teach him to have a humble character, as you demonstrate it to him planting seed.. Power always comes from piggy-backing the Lord in meeting peoples needs. Your son will love you for your undying love over your rightness every time; and God will have your back supernaturally!