Commentary for Isaiah 49:23

וְהָי֨וּ מְלָכִ֜ים אֹֽמְנַ֗יִךְ וְשָׂרֽוֹתֵיהֶם֙ מֵינִ֣יקֹתַ֔יִךְ אַפַּ֗יִם אֶ֚רֶץ יִשְׁתַּ֣חֲווּ לָ֔ךְ וַעֲפַ֥ר רַגְלַ֖יִךְ יְלַחֵ֑כוּ וְיָדַ֙עַתְּ֙ כִּֽי־אֲנִ֣י יְהוָ֔ה אֲשֶׁ֥ר לֹֽא־יֵבֹ֖שׁוּ קוָֹֽי׃ (ס)

And kings shall be thy foster-fathers, And their queens thy nursing mothers; They shall bow down to thee with their face to the earth, And lick the dust of thy feet; And thou shalt know that I am the LORD, For they shall not be ashamed that wait for Me.

Ibn Ezra on Isaiah