The Sunday Sermon

The Ten Commandments Part 6a

by Martin Luther

Thou shall not commit adultery

Exodus 20:14

These commandments now [that follow] are easily understood from [the explanation of] the preceding; for they are all to the effect that we [be careful to] avoid doing any kind of injury to our neighbor. But they are arranged in fine [elegant] order. In the first place, they treat of his own person. Then they proceed to the person nearest him, or the closest possession next after his body namely, his wife, who is one flesh and blood with him, so that we cannot inflict a higher injury upon him in any good that is his. Therefore it is explicitly forbidden here to bring any disgrace upon him in respect to his wife. ( 1 Timothy 3:12; 1 Peter 3:7;) And it really aims at adultery, because among the Jews it was ordained and commanded that every one must be married. Therefore also the young were early provided for [married], so that the virgin state was held in small esteem, neither were public prostitution and lewdness tolerated (as now). Therefore adultery was the most common form of unchastity among them.

But because among us there is such a shameful mess and the very dregs of all vice and lewdness, this commandment is directed also against all manner of unchastity, whatever it may be called; and not only is the external act forbidden, but also every kind of cause, incitement, and means, so that the heart, the lips, and the whole body may be chaste and afford no opportunity, help, or persuasion to unchastity.( Ephesians 4:29; 1 Corinthians 6:19;) And not only this, but that we also make resistance, afford protection and rescue wherever there is danger and need; and again, that we give help and counsel, so as to maintain our neighbor's honor. For whenever you omit this when you could make resistance, or connive at it as if it did not concern you, you are as truly guilty as the one perpetrating the deed. Thus, to state it in the briefest manner, there is required this much, that every one both live chastely himself and help his neighbor do the same, so that God by this commandment wishes to hedge round about and protect [as with a rampart] every spouse that no one trespass against them.