1 Corinthians 5:9-10
I told you in my letter not to associate with the immoral.
Galatians 5:19-21
Now the works of the flesh are manifest; such, for instance, as fornication, impurity, indecency,
Galatians 6:7-8
Be not deceived. God is not mocked. Whatever a man sows, that will he also reap.
Ephesians 5:5-6
For be well assured that no one guilty of fornication or impurity or covetousness which is idolatry, has any heritage in the kingdom of Christ and of God.
Hebrews 13:4
Let marriage be held in honor by all, and the marriage bed be undefiled; for fornicators and adulterers will God judge.