II. That it is richly replenished with those that are good, and they are instead of fortifications to it; for the inhabitants of Jerusalem, if they are such as they should be, are its strength, Zech. xii. 5. The gates are here ordered to be opened, that the righteous nation, which keeps the truth, may enter in, v. 2. They had been banished and driven out by the iniquity of the former times, but now the laws that were made against them are repealed, and they have liberty to enter in again. Or, There is an act for a general naturalization of all the righteous, whatever nation they are of, encouraging them to come and settle in Jerusalem. When God has done great things for any place or people he expects that thus they should render according to the benefit done unto them; they should be kind to his people, and take them under their protection and into their bosom. Note, 1. It is the character of righteous men that they keep the truths of God, a firm belief of which will have a commanding influence upon the regularity of the whole conversation. Good principles fixed in the head will produce good resolutions in the heart and good practices in the life. 2. It is the interest of states to countenance such, and court them among them, for they bring a blessing with them.