1 Corinthians 6:18
Shun all immorality. Every other sin that men commit is something outside the body; but an immoral man sins against his own body.
1 Corinthians 15:33
Do not be deceived. 'Good character is marred by evil company.'
1 Thessalonians 5:22
Shun every form of evil.
1 Timothy 5:14
Therefore I advise young widows to marry, bear children, and attend to their homes, and so avoid giving the enemy an opportunity for scandal.
2 Timothy 2:22
Flee from the passions of youth, but pursue righteousness, faith, love, and peace, in the company of those who, with a pure heart, invoke the Lord.
1 Peter 2:11
Dear friends, I urge you, as pilgrims and strangers upon earth, to refrain from indulging the cravings of your earthly nature, for they make war upon the soul.