זֶ֤ה יֹאמַר֙ לַֽיהוָ֣ה אָ֔נִי וְזֶ֖ה יִקְרָ֣א בְשֵֽׁם־יַעֲקֹ֑ב וְזֶ֗ה יִכְתֹּ֤ב יָדוֹ֙ לַֽיהוָ֔ה וּבְשֵׁ֥ם יִשְׂרָאֵ֖ל יְכַנֶּֽה׃ (פ)
Rashi on Isaiah
This one shall say, “I am the Lord’s.” These are the perfectly righteous.
Ibn Ezra on Isaiah
One shall say, etc. They will be numerous, and the majority of them will be faithful to God, and desirous of returning to His house.
Rashi on Isaiah
and this one shall call himself by the name of Jacob. These are the children, the sons of the wicked.