1 Corinthians 6:12
"All things are lawful for me"? Yes, but not all things are good for me. "All things are lawful for me"? Yes, but I will not let myself be enslaved by the power of any.
1 Corinthians 6:18
Flee from immorality. Every other sin that a man commits lies outside the body, but the immoral man sins against his own body.
Ephesians 4:17-19
This then I tell you and implore you in the Master's name, to pass your lives no longer as the Gentiles do in the perverseness of their minds;
Ephesians 5:3-11
As for sexual vice and every kind of impurity or lust, it is unbecoming for you as Christians even to mention them;
1 Thessalonians 4:3-5
For this is God's will, even your sanctification; that you should abstain from sexual vice.
2 Timothy 2:22
Flee from the passions of youth, but run after righteousness, faith, love, and peace, in company with those who out of a pure heart call upon the Lord.
Hebrews 13:4
Let marriage be held in honor by all, and the marriage bed be undefiled; for fornicators and adulterers will God judge.
1 Peter 2:11
I beseech you, beloved, as pilgrims and exiles, to abstain from passions of the flesh that war upon your souls.