Esias 19:21

21 And the Lord shall be known to the Egyptians, and the Egyptians shall know the Lord in that day; and they shall offer sacrifices, and shall vow vows to the Lord, and pay .

Esias 19:21 In-Context

19 In that day there shall be an altar to the Lord in the land of the Egyptians, and a pillar to the Lord by its border.
20 And it shall be for a sign to the Lord for ever in the land of Egypt: for they shall presently cry to the Lord by reason of them that afflict them, and he shall send them a man who shall save them; he shall judge and save them.
21 And the Lord shall be known to the Egyptians, and the Egyptians shall know the Lord in that day; and they shall offer sacrifices, and shall vow vows to the Lord, and pay .
22 And the Lord shall smite the Egyptians with a stroke, and shall completely heal them: and they shall return to the Lord, and he shall hear them, and thoroughly heal them.
23 In that day there shall be a way from Egypt to the Assyrians, and the Assyrians shall enter into Egypt, and the Egyptians shall go to the Assyrians, and the Egyptians shall serve the Assyrians.

The Brenton translation of the Septuagint is in the public domain.