1 Thessalonians 4:1-3

1Finally then, brethren, we beseech and exhort you in the Lord Jesus, that, as ye received of us how ye ought to walk and to please God, even as ye do walk,—that ye abound more and more.

2For ye know what charge we gave you through the Lord Jesus.

3For this is the will of God, even your sanctification, that ye abstain from fornication;