Matthew Henry on the great duty and value of Family Worship and making the home a little church: "The pious and zealous endeavours both of magistrates and ministers for the reformation of manners, and the suppression of vice and profaneness, are the joy and encouragement of all good people in the land, and a happy indication that God has yet mercy in store for us: If the Lord had been pleased to kill us, he would not have shewed us such things as these. Now I know not any thing that will contribute more to the furtherance of this good work than the bringing of family -religion more into practice and reputation. Here the reformation must begin. Other methods may check the disease we complain of, but this, if it might universally obtain, would cure it. Salt must be cast into these springs, and then the waters would be healed. Many a time, no doubt, you have been urged to this part of your duty ; many a good sermon perhaps you have heard, and many a good book has been put into you...
This is from Ursinus's commentary on the 5th commandment of the Heidelberg Catechism (which should count for something since, you know, he wrote the catechism): "The duties of magistrates may be reduced to these heads, 1. To require from their subjects obedience, and external propriety according to both tables of the Decalogue. 2. To enforce the precepts of the Decalogue, by defending those who yield obedience to it, and punishing such as are disobedient. 3. To enact certain positive laws for the maintenance of civil order. By positive laws, we mean such as determine and prescribe those circumstances which are necessary for the preservation of the order and honor of the state, and which contribute to the obedience which the law of God requires. 4. The execution of the laws which they prescribe from time to time. There are two extremes in opposition to the duties of magistrates. The first is remissness, or a want of proper attention to their duties, which shows itself, either i...