4. Another way to confound you in your religion is, by setting you upon overdoing by inventions of your own. When a poor soul is most desirous to please God, the devil will be religious, and set him upon some such task of voluntary humility, or will-worship, as the apostle speaks of, Col. ii. 18, 20-23; or set him upon some insnaring unnecessary vows or resolutions, or some popish works of conceited supererogation, which is that which Solomon calleth, being "righteous over-much," Eccles. vii. 16. Thus many have made duties to themselves, which God never made for them; and taketh that for sin, which God never forbad them. The popish religion is very much made up of such commandments of their own, and traditions of men. As if Christ had not made us work enough, men are forward to make much more for themselves. And some that should teach them the laws of Christ, do think that their office is in vain, unless they may also prescribe them laws of their own, and give them new precepts of religion. Yea, some that are the bitterest enemies to the strict observance of the laws of God, as if it were a tedious, needless thing, must yet needs load us with abundance of unnecessary precepts of their own. And thus religion is made both wearisome and uncertain, and a door set open for men to enlarge it, and increase the burden at their pleasure. Indeed popery is fitted to delude and quiet sleepy consciences, and to torment with uncertainties the consciences that are awaked.
And there is something in the corrupted nature of man, that inclineth him to some additions and voluntary service of his own inventions, as an offering most acceptable unto God. Hence it is that many poor christians do rashly entangle their consciences with vows of circumstances and things unnecessary, as to give so much, to observe such days or hours in fasting and prayer, not to do such or such a thing that in itself is lawful, with abundance of such things, which perhaps some change of providence may make accidentally their duty afterwards to do, or disable them to perform their vows; and then these snares are fetters on their perplexed consciences, perhaps as long as they live. Yea, some of the antinomians teach the people, that things indifferent are the fittest matter of a vow; as to live single, to possess nothing, to live in solitude, and the like: indeed all things lawful when they are vowed, must be performed; but it is unfit to be vowed if it be not first profitable and best, for ourselves or others; and that which is best is not indifferent, it being every man's duty to choose what is best. Vows are to bind us to the performance of that which God had bound us to by his laws before; they are our expression of consent and resolution by a self-obligation to obey his will; and not to make new duties of religion to ourselves, which else would never have been our duty.
To escape these snares, it is necessary that you take heed of corrupting your religion by burdens and mixtures of your own devising. You are called to obey God's laws, and not to make laws for yourselves. You may be sure that his laws are just and good, but yours may be bad and foolish. When you obey him, you may expect your reward and encouragement from him: but when you will obey yourselves, you must reward yourselves. You may find it enough for you to keep his laws, without devising more work for yourselves; or feigning duties which he commanded not, or sins which he forbad not. Be not rash in making vows; let them reach but unto necessary duties; and let them have their due exceptions when they are about alterable things: or if you are entangled by them already, consult with the most judicious, able, impartial men, that you may come clearly off without a wound. There is a great deal of judgment and sincerity necessary in your counsellors, and a great deal of submission and self-denial in yourselves, to bring you safely out of such a snare. Avoid sin, whatever you do; for sinning is not the way to your deliverance. And for the time to come, be wiser, and lay no more snares for yourselves; and clog not yourselves with your own inventions, but cheerfully obey what God commandeth you, who hath wisdom and authority sufficient to make you perfect laws. "Christ's yoke is easy, and his burden light," Matt. xi. 30, and "his commandments are not grievous," 1 John v. 3. But if your mixtures and self-devised snares are grievous to you, blame not God, but yourselves that made them.
[Sidenote: By overwhelming fears and sorrows.]