6 But when He again brings the firstborn into the world, He says: “Let all the angels of God worship Him.”
The second reason the Son is superior to angels is that the Father charges angels to worship Him.
The context of quoting Deuteronomy 32 in verse 6 is the Song of Moses. This was a very important passage for Jews in the first century. Towards the end of the chapter God proclaims judgment on nations and salvation on the nation Israel. The quotation of Deuteronomy 32:43 in this verse occurs in this section of the Song. It is a climatic celebration of God’s victory in time.
Not only did the quotations of verse 5 prove Jesus’ superiority to angels but He gives further proof in Psalm 97:7 by His resurrection. The term “gods” sometimes refers to angels.
when He again brings
The “again” refers to the Second Coming of Christ. The position of the word “again” in the Greek indicates it goes with the verb rather than introducing the clause. It follows the subordinate conjunction “when” and is part of the clause. The Greek subjunctive mood indicates a future rather than a past action. Thus, it is an event still future. The idea is that angels will worship Christ at His Second Coming (Mt 13:41; 16:27; 25:31; 2 Th 1:7).
“Again” refers to a second time when God will bring the firstborn into the world. He will bring the firstborn into the world at the Second Advent or the Second Coming. This event will usher in the Millennial Kingdom.
The Messiah will receive prerogatives of His office at the Second Coming.
The quotation in this verse anticipates the time of the Second Coming following long after the resurrection of Jesus Christ. The Father will “again” bring His “firstborn” Messiah into the world at the Second Advent. At that time the Messiah will receive certain prerogatives of His Messiahship. The most complete revelation of who He is will be when He comes again (Php 2:9).