WSC Q.71: What is required in the seventh commandment?
The seventh commandment requireth the preservation of our own and our neighbour’s chastity, in heart, speech, and behavior. (1 Cor. 7:2–3,5,34,36, Col. 4:6, 1 Pet. 3:2)
WLC Q.138: What are the duties required in the seventh commandment?
The duties required in the seventh commandment are, chastity in body, mind, affections, (1 Thess. 4:4, Job 31:1, 1 Cor. 7:34) words, (Col. 4:6) and behavior; (1 Pet. 3:2) and the preservation of it in ourselves and others; (1 Cor. 7:2,35–36) watchfulness over the eyes and all the senses; (Job 31:1) temperance, (Acts 24:24–25) keeping of chaste company, (Prov. 2:16–20) modesty in apparel; (1 Tim. 2:9) marriage by those that have not the gift of continency, (1 Cor. 7:2,9) conjugal love, (Prov. 5:19–20) and cohabitation; (1 Pet. 3:7) diligent labor in our callings; (Prov. 31:11,27–28) shunning all occasions of uncleanliness, and resisting temptations thereunto. (Prov. 5:8, Gen. 39:8–10)