[1.] To husbands and wives. Inquire whether you do not live in some way of sin in this relation. Do you make conscience of performing all those duties which God in his word requires of persons in this relation? or do you allow yourselves in some ways which are directly opposite thereto? Do you not live in ways that are contrary to the obligations into which you entered in your marriage-covenant? The promiese which you then made are not only binding as promises which are ordinarily made between man and man, but they have the nature of vows or promissory oaths; they are made in the presence of God, because they respect him as a witness to them; and therefore the marriage-covenant is called the covenant of God; Prov. 2:17.; "which forsaketh the guide of her youth, and forgetteth the covenenant of her God." When you have vowed that you will behave towards those to whom you are thus united, as the word of God directs in such a relation, are you careless about it, no more thinking what you have promised and vowed, regardless how you perform those vows?
Particularly, are you not commonly guilty of bitterness of spirit towards one another, and of unkindness in your language and behaviour? If wrath, and contention, and unkind and reproachful language, be provoking to God, when only between neighbours; what is it then between those whom God hath joined together to be one flesh, and between whom he hath commanded so great and dear a friendship to be maintained? Eph. 5:28, 29. "So ought men to love their wives, as their own bodies. He that loveth his wife, loveth himself. For no man ever yet hated his own flesh; but nourisheth and cherisheth it, even as the Lord the church." Eph. 5:25. "Husbands, love your wives, even as Christ also loved the church, and gave himself for it."
It is no excuse at all for either party to indulge bitterness and contention in this relation, that the other party is to blame; for when was there ever one of fallen mankind to be found who had no faults? When God commanded such an entire friendship between man and wife, he knew that the greater part of mankind would have faults; yet he made no exception. And if you think your yoke-fellows have faults, you should consider whether you yourselves have not some too. There never will be any such thing as persons living in peace one with another, in this relation, if this be esteemed a sufficient and justifiable cause of the contrary. It becomes good friends to cover one another's faults: Love covers a multitude of faults: Prov. 10:1. "Hatred stirreth up strife; but love covereth all sins." But are not you rather quick to spy faults, and ready to make the most of them. Are not very little things often the occasion of contention between you? Will not a little thing often ruffle your spirits towards your companions? and when any misunderstanding is begun, are you not guilty of exasperating one another's spirits by unkind language, until you blow up a spark into a flame?
Do you endeavour to accommodate yourselves to each other's tempers? Do you study to suit each other? or do you set up your own wills, to have your own ways, in opposition to each other, in the management of your family concerns? Do you make it your study to render each other's lives comfortable? or is there not, on the contrary, a very often subsisting between you a spirit of ill will, a disposition to vex and cross one another?
Husbands do sometimes greatly sin against God, in being of an unkind iperious behaviour towards their wives, treating them as if they were servants; and (to mention one instance of such treatment in particular) laying them under unjust and unreasonable restraints in the use and disposal of their common property; forbidding them so much as to dispose of any thing in charity, as of their own judgment and prudence. This is directly contrary to the word of God, where it is said of the virtuous wife, Prov. 31:20. that "she stretcheth out her hand to the poor; yea, she reacheth forth her hands to the needy." If God hath made this her duty, then he hath given her this right and power, because the duty supposes the right. It cannot be the duty of her who hath no right to dispose of any thing, to stretch forth her hand to the poor, and to reach forth her hands to the needy.
On the other hand, are not the commands of God, the rules of his word, and the solemn vows of the marriage-covenant, with respect to the subordination which there ought to be in this relation, made light of by many? Eph. 5:22. "Wives submit yourselves to your own husbands, as unto the Lord:" so Col. 3:18. What is commanded by God, and what hath been solemnly vowed and sworn in his presence, certainly ought not to be made a jest of; and the person who lightly violates these obligations, will doubtless be treated as one who slights the authority of God, and takes his name in vain.
[Edwards, Jonathan The Works of Jonathan Edwards Vol. 2: Christian Cautions Section VIII (Peabody: Hendrickson Publishers, 2003), 182.]