Westminster Larger Catechism

Q142

What are the sins forbidden in the eighth commandment?

The sins forbidden in the eighth commandment, besides the neglect of the duties required,812 are, theft,813 robbery,814 man-stealing,815 and receiving any thing that is stolen;816 fraudulent dealing,817 false weights and measures,818 removing land-marks,819 injustice and unfaithfulness in contracts between man and man,820 or in matters of trust;821 oppression,822 extortion,823 usury,824 bribery,825 vexatious lawsuits,826 unjust enclosures and depopulations;827 engrossing commodities to enhance the price;828 unlawful callings,829 and all other unjust or sinful ways of taking or withholding from our neighbour what belongs to him, or of enriching ourselves;830 covetousness;831 inordinate prizing and affecting worldly goods;832 distrustful and distracting cares and studies in getting, keeping, and using them;833 envying at the prosperity of others;834 as likewise idleness,835 prodigality, wasteful gaming; and all other ways whereby we do unduly prejudice our own outward estate,836 and defrauding ourselves of the due use and comfort of that estate which God hath given us.837
Duty