Isaiah 19:21

19:21 The Lord will reveal himself to the Egyptians, and they ¹  will acknowledge the Lord’s authority ²  at that time. ³  They will present sacrifices and offerings; they will make vows to the Lord and fulfill them.

Isaiah 19:23

19:23 At that time there will be a highway from Egypt to Assyria. The Assyrians will visit Egypt, and the Egyptians will visit Assyria. The Egyptians and Assyrians will worship together. ⁴ 

[19:21]  ¹ tn Heb “Egypt.” For stylistic reasons, to avoid redundancy, the present translation uses the pronoun (“they”) here.

[19:21]  ² tn Heb “will know the Lord.”

[19:21]  ³ tn Heb “in that day” (so KJV), likewise at the beginning of vv. 23 and 24.

[19:23]  ⁴ tn The text could be translated, “and Egypt will serve Assyria” (cf. NAB), but subjugation of one nation to the other does not seem to be a theme in vv. 23-25. Rather the nations are viewed as equals before the Lord (v. 25). Therefore it is better to take אֶת (’et) in v. 23b as a preposition, “together with,” rather than the accusative sign. The names of the two countries are understood to refer by metonymy to their respective inhabitants.