The sins forbidden in the tenth commandment are, discontentment with our own estate; envying, and grieving at the good of our neighbor, together with all inordinate motions and affections to anything that is his.
Scripture proofs: 1 Kings 21:4; Esther 5:13; 1 Cor. 10:10; Gal. 5:26; Jas. 3:14, 16; Ps. 112:9-10; Neh. 2:10; Rom. 7:7-8; Rom. 13:9; Col. 3:5; Deut. 5:21.
Source: The Constitution of the Reformed Presbyterian Church of North America, updated 2026, B-32.