Sin Series: Unbelief

This is the fifth message in my series on sin. As I talked about pride last week, I mentioned how our carnal mind is defiled with unbelief.

Because the carnal mind is enmity against God: for it is not subject to the law of God, neither indeed can be.

Romans 8:7, KJV

Our carnal mind will always lead us in opposition to God’s will. Satan knows that. That’s why our mind is the battlefield where he attacks us the most. The Apostle Paul explained:

“By the humility and gentleness of Christ, I appeal to you—I, Paul, who am ‘timid’ when face to face with you, but ‘bold’ toward you when away! I beg you that when I come I may not have to be as bold as I expect to be toward some people who think that we live by the standards of this world. For though we live in the world, we do not wage war as the world does. The weapons we fight with are not the weapons of the world. On the contrary, they have divine power to demolish strongholds. We demolish arguments and every pretension that sets itself up against the knowledge of God, and we take captive every thought to make it obedient to Christ.”

2 Corinthians 10:1-5

When we let our carnal mind have free reign over us, by not taking our carnal thoughts captive and making them obedient to Christ (not accepting what doesn’t agree with the Word of God), we give Satan an inroad to set up strongholds of unbelief.

For those who live according to the flesh set their minds on the things of the flesh, but those who live according to the Spirit, the things of the Spirit. For to be carnally minded is death, but to be spiritually minded is life and peace.

Romans 8:5-6, NKJV

I wrote a message once on a promise God gave us in His Word. I shared all the Scriptures that confirmed this promise was given to us in Christ. For no matter how many promises God has made, they are ‘Yes’ in Christ” (2 Corinthians 1:20). I also shared how God manifested this promise in my life and many others. A person who hadn’t seen that promise manifest in their life yet, came against me claiming it wasn’t true. Their argument was backed by human understanding (our carnal mind), not by spiritual understanding (mind of Christ). We have to stand firm believing God’s Word, not what others say or are experiencing.

For what if some did not believe? Will their unbelief make the faithfulness of God without effect? Certainly not! Indeed, let God be true but every man a liar.

Romans 3:3-4, NKJV

Abraham took his carnal thoughts captive and stood in faith, believing God was faithful to His Word. Even though it was a fact that he and Sarah were too old to conceive, he knew what God promised him. He knew if God promised him a son, God would deliver him a son.

Against all hope, Abraham in hope believed and so became the father of many nations, just as it had been said to him, “So shall your offspring be.” Without weakening in his faith, he faced the fact that his body was as good as dead—since he was about a hundred years old—and that Sarah’s womb was also dead. Yet he did not waver through unbelief regarding the promise of God, but was strengthened in his faith and gave glory to God, being fully persuaded that God had power to do what he had promised.

Romans 4:18-21

The Bible tells us to take up the shield of faith, with which we can extinguish all the flaming arrows of deception Satan throws at us (Ephesians 6:16). The church has not been holding up their shield of faith. As a result, we’ve allowed Satan in to sow deception and create false doctrine. And the Bible warns us it’s only going to get worse.

For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear.

2 Timothy 4:3

But mark this: There will be terrible times in the last days. People will be lovers of themselves … lovers of pleasure rather than lovers of God—having a form of godliness but denying its power. Have nothing to do with such people.

They are the kind who worm their way into homes and gain control over gullible women, who are loaded down with sins and are swayed by all kinds of evil desires, always learning but never able to come to a knowledge of the truth. Just as Jannes and Jambres opposed Moses, so also these teachers oppose the truth. They are men of depraved minds, who, as far as the faith is concerned, are rejected.

2 Timothy 3:1-8

See to it that no one takes you captive through hollow and deceptive philosophy, which depends on human tradition and the basic principles of this world rather than on Christ.

Colossians 2:8

Heavenly Father,

We praise You for showing us the truth in Your Word. Help us to take up our shield of faith and stand firm believing everything in Your Word. Help us to take captive every carnal thought and make it obedient to Christ. We want to take hold of all that You have promised us in Your Word. Help us believe even when we don’t see Your promises manifest right away. Jesus said if we abide in His Word, we are truly His disciples, and we will know the truth and the truth shall make us free (John 8:31-32). We must believe first before we see Your promises come to pass in our lives. In Jesus’ name we pray, believing Your Word is truth! Amen!

Be alert and of sober mind. Your enemy the devil prowls around like a roaring lion looking for someone to devour. Resist him, standing firm in the faith, because you know that the family of believers throughout the world is undergoing the same kind of sufferings.

1 Peter 5:8-9

Now, brothers and sisters, I want to remind you of the gospel I preached to you, which you received and on which you have taken your stand. By this gospel you are saved, if you hold firmly to the word I preached to you. Otherwise, you have believed in vain.

1 Corinthians 15:1-2

*Come back next Monday (U.S.A. time) as the “Sin Series” continues.

About Amanda Beth

I am a wife of seventeen years, mother of four children, and author of “You Can Have a Happy Family: Steps to Enjoying Your Marriage and Children” (2013 Readers’ Favorite Silver Award) and two devotionals: “The LOVE Walk: A 15-Week Devotional on 1 Corinthians 13:4-8” and “Armor of Light: A 7-Week Devotional on Ephesians 6:10-18.” God has done an amazing work in me and my family since He rescued me thirteen years ago. Because of His unfailing love, I am passionate about sharing His love with others. You can learn more about my testimony on my blog ( and my website ( "So do not throw away your confidence; it will be richly rewarded. You need to persevere so that when you have done the will of God, you will receive what he has promised." Hebrews 10:35-36
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9 Responses to Sin Series: Unbelief

  1. God CANNOT lie. God CANNOT break His promises.
    If one of God’s promises fails, it is because I have not fulfilled the conditions of the promise. It is NOT because He hasn’t kept His Word.

  2. rickroehm says:

    Belief allows Christ to forgive and morally cleanse the human soul. Recognition of Christ is the beginning of belief. Realization of who Christ is…is the experience of a believing heart. It’s not “what” people believe in that saves them. It’s “when” people believe in Christ they’re saved and receive the Grace of God. Through belief in the person of Christ…Grace comes in and a moral change takes place that is termed as “Salvation”. The heart is made holy and clean through the redemptive work of Christ in the believing soul. The unbeliever is not redeemed nor is he connected with God’s Grace or the person of Christ in Salvation. There is no such thing as “Carnal Christian”. God doesn’t save certain parts of man while other parts of man’s being are in sin or unbelief. Belief “unites man with Christ”…unbelief “separates man from Christ” . Belief allows man receive enough Grace to be obedient in the eyes of God. Unbelief keeps man from receiving enough Grace to be obedient in the eyes of God. That’s why “unbelief” is a sin in the eyes of God. Stand for righteousness Sister Amanda because the righteousness I speak of is produced in the human soul by the Christ we represent. God hates sin and love righteousness. Be encouraged…

  3. speaklife1 says:

    Thanks for this very important message. I posted on the subject of unbelief last year and would like to share it with you. Here’s the title on my page: LORD HELP MY UNBELIEF!

    God Bless You!
    Minister Glenda

  4. ptl2010 says:

    Amen, we must stand on the Word of God, not on our carnal mind.

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