*Minor differences ignored. Grouped by changes, with first version listed as example.
Jehovah bless thee out of Zion! We have conclusive proof in my opinion from this verse that the Psalm is to be considered as referring to the priests and Levites only, for to them it properly belonged under the law to bless the people. (Numbers 6:23.) The Psalmist had first told them to bless God; now he tells them to bless the people in his name. Not that God meant by any such injunction that the people might themselves indulge in a life of carnal security an opinion prevalent among the Papists, who think that if the monks chant in the temples, this is all the worship necessary on the part of the whole body of the people. What God intended was, that the priests should lead the way in divine service, and the people take example by what was done in the temple, and practice it individually in their private houses. The duty of blessing the people was enjoined upon the priests, as representing Christ's person. Express mention is intentionally made of two things, which are in themselves distinct, when the God who blessed them out of Zion is said to be also the Creator of heaven and earth. Mention is made of his title as Creator to set forth his power, and convince believers there is nothing that may not be hoped from God. For what is the world but a mirror in which we see his boundless power? And those must be senseless persons indeed, that are not satisfied with the favor of Him who is recognized by them as having all dominion and all riches in his hand. Since many, however, are apt, when they hear God spoken of as Creator, to conceive of him as standing at a distance from them, and doubt their access to him, the Psalmist makes mention also of that which was a symbol of God's nearness to his people and this that they might be encouraged to approach him with the freedom and unrestrained confidence of persons who are invited to come to the bosom of a Father. By looking to the heavens, then, they were to discover the power of God by looking to Zion, his dwellingplace, they were to recognize his fatherly love.
The Lord that made heaven and earth - The great Creator of all things. This is probably the language of those who were thus employed in the service of the Lord at night; their response to the address in the first two verses.
Bless thee out of Zion - That is, bless those who thus approached the sanctuary, and called on those within to praise the Lord. This is the answer. Let the blessing of God rest on you. It is language showing that they appreciated the kind and encouraging salutation, and that they reciprocated the feelings and the good wishes of those who came to worship. In the name of the Lord whom they served, therefore, and appealing to him, they pronounced a blessing on those who thus approached the sanctuary. People do not come near the house of God - the place of public worship - with kind and sympathizing feelings without a blessing from the sanctuary, without a response that welcomes them, and that meets all their aspirations. There is always in Zion - in the church - a voice, by day and night, which pronounces a blessing on those who wish it well, who seek its good, and who desire to partake of the favor of God.
Out of Zion - That is, may God speak to you out of Zion; may he confer on you such blessings as properly go out of Zion; or such as Zion (or his church) can furnish. Go not away unblessed; go not without a token of divine favor - for God will bless you.
The Lord that made heaven and earth - Who governs and possesses all things; and who can give you every spiritual and earthly blessing.
Bless thee out of Zion - As if they had said, "We will attend to your orders; go in peace, and may God shower down his blessings upon you!" The blessing pronounced by the priests was the following: "The Lord bless thee and keep thee! The Lord make his face shine upon thee, and he gracious unto thee! The Lord lift up his countenance upon thee, and give thee peace!" Numbers 6:24-26.
The LORD that (c) made heaven and earth bless thee out of Zion.
(c) And therefore has all power, bless you with his fatherly love declared in Zion. Thus the Levites used to praise the Lord, and bless the people.
The Lord, that made heaven and earth, bless thee out of Zion. These are not the words of the priests blessing the people in this form, as some; but rather, as others, the wish of the servants of the Lord, that he would bless him that exhorted them to this service; whether one of the priests, or the captain of the temple, or the psalmist: though, according to Kimchi, and which seems agreeable, they are the words of the psalmist, promising a blessing from the Lord to those that blessed him; as an encouragement to them, to everyone of them, to be constant and diligent in this service. For so it may be rendered, "the Lord shall bless thee" (f); all blessings come from the Lord, whether spiritual or temporal; and are to be asked of him, and expected from him: and the blessings here promised or asked for are blessings out of Zion, the church, where God blesses his people with his word and ordinances, with his presence, and with communion with himself. Wherefore it is good to be there waiting on him and worshipping him, praying to him and praising of him; and he that made heaven and earth is able to bless both with heavenly and earthly things: and this description of the Lord is no doubt given to encourage faith in him; for, what is it he cannot do?
(f) "benedicet tibi", Junius & Tremellius, Cocceius, Gejerus, Michaelis.
After the manner directed (Numbers 6:23).
out of Zion--the Church, as His residence, and thus seat of blessings. Thus close the songs of degrees.
Calling thus up to the Temple-hill, the church receives from above the benedictory counter-greeting: Jahve bless thee out of Zion (as in Psalm 128:5), the Creator of heaven and earth (as in Psalm 115:15; Psalm 121:2; Psalm 124:8). From the time of Numbers 6:24 jebaréchja is the ground-form of the priestly benediction. It is addressed to the church as one person, and to each individual in this united, unit-like church.
Thee - Thee whosoever thou art who dost faithfully perform the duty here commanded.
*More commentary available at chapter level.