Westminster Larger Catechism

Q139

What are the sins forbidden in the seventh commandment?

The sins forbidden in the seventh commandment, besides the neglect of the duties required,779 are, adultery, fornication,780 rape, incest,781 sodomy, and all unnatural lusts;782 all unclean imaginations, thoughts, purposes, and affections;783 all corrupt or filthy communications, or listening thereunto;784 wanton looks,785 impudent or light behaviour, immodest apparel;786 prohibiting of lawful, and dispensing with unlawful marriages;787 allowing, tolerating, keeping of stews, and resorting to them;788 entangling vows of single life,789 undue delay of marriage;790 having more wives or husbands than one at the same time;791 unjust divorce,792 or desertion;793 idleness, gluttony, drunkenness,794 unchaste company;795 lascivious songs, books, pictures, dancings, stage plays;796 and all other provocations to, or acts of uncleanness, either in ourselves or others.797
Duty