1 Corinthians 6:18

1 Peter 2:11 NIV
Dear friends, I urge you, as foreigners and exiles, to abstain from sinful desires, which wage war against your soul.

1 Thessalonians 4:3 NIV
It is God’s will that you should be sanctified: that you should avoid sexual immorality;

Colossians 3:5 NIV
Put to death, therefore, whatever belongs to your earthly nature: sexual immorality, impurity, lust, evil desires and greed, which is idolatry.

Hebrews 13:4 NIV
Marriage should be honored by all, and the marriage bed kept pure, for God will judge the adulterer and all the sexually immoral.

Romans 6:12-13 NIV
Therefore do not let sin reign in your mortal body so that you obey its evil desires. Do not offer any part of yourself to sin as an instrument of wickedness, but rather offer yourselves to God as those who have been brought from death to life; and offer every part of yourself to him as an instrument of righteousness.