Isaiah 10:21

"The remnant shall return, even the remnant of Jacob, unto the mighty God."

Cross References (ranked by relevance)

Isaiah 9:6

For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace.

Isaiah 9:13

For the people turneth not unto him that smiteth them, neither do they seek the LORD of hosts.

Hosea 7:10

And the pride of Israel testifieth to his face: and they do not return to the LORD their God, nor seek him for all this.

Hosea 14:1

O Israel, return unto the LORD thy God; for thou hast fallen by thine iniquity.

Isaiah 19:22

And the LORD shall smite Egypt: he shall smite and heal it: and they shall return even to the LORD, and he shall be intreated of them, and shall heal them.

Hosea 6:1

Come, and let us return unto the LORD: for he hath torn, and he will heal us; he hath smitten, and he will bind us up.

Isaiah 55:7

Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return unto the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon.

Acts 26:20

But shewed first unto them of Damascus, and at Jerusalem, and throughout all the coasts of Judaea, and then to the Gentiles, that they should repent and turn to God, and do works meet for repentance.

Isaiah 7:3

Then said the LORD unto Isaiah, Go forth now to meet Ahaz, thou, and Shearjashub thy son, at the end of the conduit of the upper pool in the highway of the fuller’s field;

Hosea 7:16

They return, but not to the most High: they are like a deceitful bow: their princes shall fall by the sword for the rage of their tongue: this shall be their derision in the land of Egypt.