First of all we forget that one of the most common forms of divorce in the Bible and in all of history has been divorce by death, by execution. We are not used to thinking of divorce in such terms, but consider this. In the Old Testament, if a man were guilty of adultery, or a woman, they were executed. And we saw last week as we studied the New Testament teaching that adultery is in terms of New Testament law still a crime that calls for death. Now it does not exist, and therefore special provisions were made for those social orders wherein no such offense incurred the death penalty. As a matter of fact this is how the penitential system developed.

Audio lectures - The Law of Divorce (n.d.)