1 Thessalonians 4:3 in the King James Version
For this is the will of God, even your sanctification, that ye should abstain from fornication:
Context
2 For you know what instructions we gave you through the Lord Jesus.
3 For this is the will of God: your sanctification, that you abstain from sexual immorality,
4 that each one of you know how to control his own body in sanctification and honor,