Answ. I. In all these cases about an erring or doubting conscience, forget not to distinguish between the being of a duty and the knowledge of a duty: and remember, that the first question is, Whether this be my duty? and the next, How I may discern it to be my duty? And that God giveth it the being by his law, and conscience is but to know and use it: and that God changeth not his law, and our duty, as oft as our opinions change about it. The obligation of the law is still the same, though our consciences err in apprehending it otherwise. Therefore, if God command you a duty, and your opinion be that he doth not command it, or that he forbids it, and so that it is no duty, or that it is a sin, it doth not follow that indeed God commands it not because you think so: else it were no error in you; nor could it be possible to err, if the thing become true, because you think it to be true. God commandeth you to love him, and to worship him, and to nourish your children, and to obey the higher powers, &c. And do you think you shall be discharged from all these duties, and allowed to be profane, or sensual, or to resist authority, or to famish your children, if you can but be blind enough to think that God would have it so? 2. Your error is a sin itself: and do you think that one sin must warrant another? or that sin can discharge you from your duty, and disannul the law? 3. You are a subject to God, and not a king to yourself; and therefore, you must obey his laws, and not make new ones.

Quest. II. But is it not every man's duty to obey his conscience?

Answ. No: it is no man's duty to obey his conscience in an error, when it contradicteth the command of God. Conscience is but a discerner of God's command, and not at all to be obeyed strictly as a commander; but it is to be obeyed in a larger sense, that is, to be followed wherever it truly discerneth the command of God. It is our duty to lay by our error, and seek the cure of it, till we attain it, and not to obey it.

Quest. III. But is it not a sin for a man to go against his conscience?

Answ. Yes: not because conscience hath any authority to make laws for you; but because interpretatively you go against God. For you are bound to obey God in all things; and when you think that God commandeth you a thing, and yet you will not do it, you disobey formally, though not materially. The matter of obedience is the thing commanded: the form of obedience is our doing the thing, because it is commanded; when the authority of the commander causeth us to do it. Now you reject the authority of God, when you reject that which you think he commandeth, though he did not.

Quest. IV. Seeing the form of obedience is the being of it, and denominateth, which the matter doth not without the form, and there can be no sin which is not against the authority of God, which is the formal cause of obedience, is it not then my duty to follow my conscience?

Answ. 1. There must be an integrity of causes, or concurrence of all necessaries to make up obedience, though the want of any one will make a sin. If you will be called obedient, you must have the matter and form, because the true form is found in no other matter; you must do the thing commanded, because of his authority that commandeth it. If it may be called really and formally obedience, when you err, yet it is not that obedience which is acceptable; for it is not any kind of obedience, but obedience in the thing commanded, that God requireth. 2. But indeed as long as you err sinfully, you are also wanting in the form as well as the matter of your obedience, though you intend obedience in the particular act. It is not only a wilful opposing, and positive rejecting the authority of the commander, which is formal disobedience; but it is any privation of due subjection to it; when his authority is not so regarded as it ought to be; and doth not so powerfully and effectually move us to our duty as it ought. Now this formal disobedience is found in your erroneous conscience; for if God's authority had moved you as it should have done, to diligent inquiry and use of all appointed means, and to the avoiding of all the causes of error, you had never erred about your duty. For if the error had been perfectly involuntary and blameless, the thing could not have been your particular duty, which you could not possibly come to know.

Quest. V. But if it be a sin to go against my conscience, must I not avoid that sin by obeying it? Would you have me sin?

Answ. You must avoid the sin, by changing your judgment, and not by obeying it; for that is but to avoid one sin by committing another. An erring judgment is neither obeyed nor disobeyed without sin; it can make you sin, though it cannot make you duty; it doth insnare, though not oblige. If you follow it, you break the law of God in doing that which he forbids you. If you forsake it and go against it, you reject the authority of God, in doing that which you think he forbids you. So that there is no attaining to innocence any other way, but by coming first to know your duty, and then to do it. If you command your servant to weed your corn, and he mistake you, and verily think, that you bid him pull up the corn, and not the weeds; what now should he do? Shall he follow his judgment, or go against it? Neither, but change it, and then follow it; and to that end inquire further of your mind, till he be better informed: and no way else will serve the turn.

Quest. VI. Seeing no man that erreth doth know or think that he erreth, (for that is a contradiction,) how can I lay by that opinion, or strive against it, which I take to be the truth?