All things are lawful for me, but all things are not helpful. All things are lawful for me, but I will not be brought under the power of any. 13 Foods for the stomach and the stomach for foods, but God will destroy both it and them. Now the body is not for sexual immorality but for the Lord, and the Lord for the body. 14 And God both raised up the Lord and will also raise us up by His power.
15 Do you not know that your bodies are members of Christ? Shall I then take the members of Christ and make them members of a harlot? Certainly not! 16 Or do you not know that he who is joined to a harlot is one body with her? For “the two,” He says, “shall become one flesh.” 17 But he who is joined to the Lord is one spirit with Him.
18 Flee sexual immorality. Every sin that a man does is outside the body, but he who commits sexual immorality sins against his own body. 19 Or do you not know that your body is the temple of the Holy Spirit who is in you, whom you have from God, and you are not your own? 20 For you were bought at a price; therefore glorify God in your body and in your spirit, which are God’s. — 1 Corinthians 6:12-20.
Expanding the principle that a changed life marks faith in Christ, Paul goes on to say that he will now deny himself certain things that are lawful for him but that do not help him. He then homes in on sexual immorality, and quite logically argues that the body is for the Lord and not for sinful disobedience. The God of resurrection can help us live for Him. It is absolutely inconsistent, illogical and wrong for a Christian to be involved in sexual immorality which not only is a sin against God but is also harmful to his own body. If his body is ‘the temple of the Holy Spirit’ indwelt by Him and bought by Him, then the Christian does not have the right to use it as if God is not the owner or occupant. God must be glorified in both the Christian’s body and spirit, as they are His by purchase as well as by possession. [The Bible Panorama.]