1 Corinthians 5:9-10
I have written unto you in a letter to have no fellowship with fornicators;
Galatians 5:19-21
But the works of carnality are manifest, which are fornication, uncleanness, debauchery,
Galatians 6:7-8
Be not deceived; God is not mocked. For whatsoever a man may sow, that shall he also reap:
Ephesians 5:5-6
for you are knowing this, that no fornicator, or unclean person, or covetous, who is an idolater, has an inheritance in the kingdom of Christ and of God.
Hebrews 13:4
Marriage is honorable among all, and the couch undefiled: for God will judge fornicators and adulterers.