Steve quickly teaches on the biblical principles concerning divorce, marriage, adultery & remarriage. The fullest rundown in the Bible may be in 1 Corinthians 7. Steve goes into more details in his "Towards a Radically Christian Counterculture" series on AUDIO | VIDEO.
He also has a detailed series of biblically-based written articles on Divorce and Remarriage.
New King James Version (NKJV)
Marriage Is Sacred and Binding
31 “Furthermore it has been said, ‘Whoever divorces his wife, let him give her a certificate of divorce.’ 32 But I say to you that whoever divorces his wife for any reason except sexual immorality[a] causes her to commit adultery; and whoever marries a woman who is divorced commits adultery.
- Matthew 5:32 Or fornication