If he divorces her (finally, for the third time), she will no longer be lawful to him unless she marries another husband (of her own volition). (If she and her new husband do not get along well and) if he divorces her, there is no blame on them (the woman and her first husband, if they agree) to return to each other, if they think that they can keep within the bounds set by God. These are the bounds set by God; He makes them clear for a people who know (the wisdom and benefit in the bounds prescribed for them by their Creator).