I. Here is a general charge drawn up against them as sinners, as rebels and traitors against their sovereign Lord. 1. They have transgressed my covenant, v. 1. They have not only transgressed the command (every sin does that), but they have transgressed the covenant; they have been guilty of such sins as break the original contract; they have revolted from their allegiance, and violated the marriage-covenant by their spiritual whoredom; they have, in effect, declared that they will be no longer God's people, nor take him for their God; that is transgressing the covenant. They have not only done foolishly, but have dealt deceitfully. 2. They have trespassed against my law in many particular instances. God's law is the rule by which we are to walk; and this is the malignity of sin, that it trespasses upon the bounds set us by that law. 3. They have cast off the thing that is good. They have put away and rejected good, that is, God himself; so some understand it, and very fitly. He is good, and does good, and is our goodness. There is none good but one, that is God, the fountain of all good. They have cast him off, as not desiring to have any thing more to do with him. God was abandoning them to ruin, and here gives the reason for it. Note, God never casts off any till they first cast him off. Or, as we read it, They have cast off the thing that is good; they have cast off the service and worship of God, which is, in effect, casting God off. They have cast off that which denominates men good; they have cast off the fear of God, and the regard of man, and all sense of virtue and honesty. Observe, They have transgressed my covenant; it has come to this at last; for they trespassed against my law. Breaking the command made way for breaking the covenant; and they did that, for they cast off that which was good; there it began first. They left off to be wise and to do good, and then they went all to naught, Ps. xxxvi. 3. See the method of apostasy; men first cast off that which is good; then those omissions make way for commissions; and frequent actual transgressions of God's law bring men at length to an habitual renunciation of his covenant. When men cast off praying, and hearing, and sabbath-sanctification, and other things that are good, they are in the high road to a total forsaking of God.