Psalm 68:31

Envoys will come from Egypt; Cush will submit herself to God. 

Envoys will come from Egypt 
Isaiah 19:19-20  In that day there will be an altar to the LORD in the heart of Egypt, and a monument to the LORD at its border. It will be a sign and witness to the LORD Almighty in the land of Egypt. When they cry out to the LORD because of their oppressors, he will send them a savior and defender, and he will rescue them.
Isaiah 43:3  "For I am the LORD your God, the Holy one of Israel, your Savior; I give Egypt for your ransom, Cush and Seba in your stead."
Isaiah 45:14  This is what the LORD says: "The products of Egypt and the merchandise of Cush, and those tall Sabeans--they will come over to you and will be yours; they will trudge behind you, coming over to you in chains. They will bow down before you and plead with you, saying, 'Surely God is with you, and there is no other; there is no other god.' "

Cush will submit herself to God 
Isaiah 11:11  In that day the Lord will reach out his hand a second time to reclaim the surviving remnant of his people from Assyria, from Lower Egypt, from Upper Egypt, from Cush, from Elam, from Babylonia, from Hamath and from the islands of the Mediterranean.
Isaiah 18:1-2  Woe to the land of whirring wings along the rivers of Cush, which sends envoys by sea in papyrus boats over the water. Go, swift messengers, to a people tall and smooth-skinned, to a people feared far and wide, an aggressive nation of strange speech, whose land is divided by rivers.
Zephaniah 3:10  "From beyond the rivers of Cush my worshipers, my scattered people, will bring me offerings."

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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