The Larger Catechism of the Westminster Assembly
Q. 105 What sins are forbidden in the first commandment?
A. The sins forbidden in the first commandment, are, Atheism, in denying or not having a God; Idolatry, in having or worshipping more gods than one, or any with or instead of the true God; the not having and avouching him for God, and our God; the omission or neglect of any thing due to him, required in this commandment; ignorance, forgetfulness, misapprehensions, false opinions, unworthy and wicked thoughts of him; bold and curious searching into his secrets; all profaneness, hatred of God; self-love, self-seeking, and all other inordinate and immoderate setting of our mind, will, or affections upon other things, and taking them off from him in whole or in part; vain credulity, unbelief, heresy, misbelief, distrust, despair, incorrigibleness, and insensibleness under judgments, hardness of heart, pride, presumption, carnal security, tempting of God; using unlawful means; and trusting in lawful means; carnal delights and joys; corrupt, blind, and indiscreet zeal; lukewarmness, and deadness in the things of God; estranging ourselves, and apostatizing from God; praying, or giving any religious worship to saints, angels, or any other creatures; all compacts and consulting with the devil, and hearkening to his suggestions; making men the lords of our faith and conscience; slighting and despising God and his commandments; resting and grieving of his Spirit, discontent and impatience at his dispensations, charging him foolishly for the evil he inflicts on us ; and ascribing the praise of any good we either are, have, or can do, to fortune, idols, ourselves, or any other creature.