This is what the Lord GOD says: Are you the one of whom I have spoken in former days through My servants, the prophets of Israel, who in those times prophesied for years that I would bring you against them?
The dream is doubled because the thing is certain and demands careful regard. God lets men know of Israel's security, their easy prey, their careless rest, yet He knows they will misuse that knowledge for their own ruin; their safety is real, grounded in His protection, and no weapon formed against them shall prosper.
AI summary
Commenting on Ezekiel 38:14-23
And it shall come to pass at the same time, when Gog shall come against the land of Israel, saith the Lord God,.... As before prophesied of and described: that my fury shall come up in my face; as a man's blood rises up in his face, and his colour appears, when he is wroth and angry: or, "in my nose" (s); as men when...
thou he of whom I have spoken in old time--Gog, &c. are here identified with the enemies spoken of in other prophecies (Num 24:17-24; Isa 27:1; compare Isa 26:20-21; Jer 30:23-24; Joe 3:1; Mic 5:5-6; Isa 14:12-14; Isa 59:19). God is represented as addressing Gog at the time of his assault; therefore, the "old time" is the time long prior, when Ezekiel uttered these prophecies...