A More Excellent Name - Drawing Near - John MacArthur

“He has inherited a more excellent name than they. For to which of the angels did [God] ever say, ‘Thou are My Son, today I have begotten Thee’? And again, ‘I will be a Father to Him and He shall be a Son to Me’?” (Heb. 1:4-5).
Jesus is better than the angels because He is more than a created messenger—He is God's eternal Son.

Angels are "ministering spirits, sent out to render service" (v. 14). A son, of course, is superior to a servant (cf. Luke 15:19). In the ancient near east, a son was deemed fully equal to his father in privilege and equally worthy of honor. When Jesus called God His own Father, people correctly understood that He was "making Himself equal with God" (John 5:18).

Of course, no mere angel (or any other created being) could ever make such a claim.

Do the words "today" and "begotten" in Psalm 2:7 imply that this happened at some point in time? No. The context makes that impossible. Hebrews 1 is about