Question: Why should Christians obey God's commandments?
Answer: Why should children obey their parents? The answer to this question is partially the answer to the question posed.
The purpose of obedience to God's commandments is twofold:
a) It shows that you love Yahweh your Heavenly Father in turn. Obedience is an expression of love. You cannot claim to love God while you rebel against His laws.
b) It proves that your faith in God and in Jesus is genuine. How can you claim to trust in God if you do not fear the consequences of your rebellion? While our obedience to God's laws should not be driven by fear of punishment, we would be quite foolish to think that we will escape unscathed when we willfully disobey Yahweh's laws. Failing to perfectly obey God's laws when you have tried your hardest is one thing; to willfully rebel against His laws is quite another thing. There will not be any condemnation to only sincere Christians who failed to perfectly keep God's laws. It's another story for rebels. Simply put, God will not be mocked; we reap what we sow (Galatians 6:7).
Remember: "He [Yahweh through Jesus] will judge everyone according to what they have done. He will give eternal life to those who keep on doing good, seeking after the glory and honor and immortality that God offers. But he will pour out his anger and wrath on those who live for themselves, who refuse to obey the truth and instead live lives of wickedness. There will be trouble and calamity for everyone who keeps on doing what is evil—for the Jew first and also for the Gentile. But there will be glory and honor and peace from God for all who do good—for the Jew first and also for the Gentile. For God does not show favoritism.
"For merely listening to the law doesn't make us right with God. It is obeying the law that makes us right in his sight." (Romans 2:6-11, 13, NLT)
"You say you have faith, for you believe that there is one God. Good for you! Even the demons believe this, and they tremble in terror. How foolish! Can't you see that faith without good deeds is useless? Just as the body is dead without breath, so also faith is dead without good works." (James 2:19-20, 26)
"So get rid of all the filth and evil in your lives, and humbly accept the word God has planted in your hearts, for it has the power to save your souls. But don't just listen to God’s word. You must do what it says. Otherwise, you are only fooling yourselves. For if you listen to the word and don't obey, it is like glancing at your face in a mirror. You see yourself, walk away, and forget what you look like. But if you look carefully into the perfect law that sets you free, and if you do what it says and don't forget what you heard, then God will bless you for doing it." (James 1:21-25)
Dr. Shirley Cheng (b. 1983) is a blind and physically disabled award-winning author with twenty-seven book awards, proclaimer of Yahweh God's good news of salvation through Jesus Christ, Bible teacher, founder of www.Ultra-Ability.com Ministry, summa cum laude graduate with Doctor of Divinity, motivational speaker, poet; and author of nine books (including "Do You Love Jehovah?"), contributor to over twenty-five, and an editor of one. Shirley has had severe juvenile rheumatoid arthritis since infancy. Owing to years of hospitalization, she received no education until age eleven. Back then, she knew only her ABCs and very simple English; other than that, her book knowledge was non-existent. However, after only about 180 days of special education in elementary school, she mastered grade level and entered a regular sixth grade class in middle school. Unfortunately, Shirley lost her eyesight at the age of seventeen. After a successful eye surgery, she hopes to earn multiple science doctorates from Harvard University. http://www.ShirleyCheng.com
Do you have questions about the Bible? Something you don't understand? Do you need a bit of guidance in developing a relationship with Yahweh? Then Shirley would like to help you! Please contact her via her site at http://www.ultra-ability.com and she would be more than glad to do her best to answer your questions! Never hesitate to ask questions, for no question about the Bible is ever too small or stupid.