Ezekiel 38:14 in the King James Version
Therefore, son of man, prophesy and say unto Gog, Thus saith the Lord GOD; In that day when my people of Israel dwelleth safely, shalt thou not know it?
Context
13 Sheba, Dedan, and the merchants of Tarshish, with all its young lions, will ask you, ‘Have you come to take the plunder? Have you assembled your company to take the prey, to carry away silver and gold, to take away livestock and goods, to take great plunder?’”’
14 “Therefore, son of man, prophesy, and tell Gog, ‘The Lord GOD says: “In that day when my people Israel dwells securely, will you not know it?
15 You will come from your place out of the uttermost parts of the north, you, and many peoples with you, all of them riding on horses, a great company and a mighty army.