Matthew 5:31
It has also been said, ‘Whoever divorces his wife must give her a certificate of divorce.’
What it says
Jesus recalls the rule requiring a certificate of divorce.
What it is doing
The verse names the earlier provision.
In context
31It has also been said, ‘Whoever divorces his wife must give her a certificate of divorce.’ 32But I tell you that anyone who divorces his wife, except for sexual immorality, brings adultery upon her. And he who marries a divorced woman commits adultery.