The Messiah would be sent by God.
OT Prophecy NT Fulfillment
Zechariah 2:10–11b
[10] Sing and rejoice, O daughter of Zion: for, lo, I come, and I will dwell in the midst of thee, saith the LORD.
[11] And many nations shall be joined to the LORD in that day, and shall be my people: and I will dwell in the midst of thee, and thou shalt know that the LORD of hosts hath sent me unto thee.
John 8:18–19
[18] I am one that bear witness of myself, and the Father that sent me beareth witness of me.
[19] Then said they unto him, Where is thy Father? Jesus answered, Ye neither know me, nor my Father: if ye had known me, ye should have known my Father also.
Tanakh – Neviim – Zechariah 2:14–15b
[14] Sing and rejoice, O daughter of Zion; for, lo, I come, and I will dwell in the midst of thee, saith HaShem.
[15] And many nations shall join themselves to HaShem in that day, and shall be My people, and I will dwell in the midst of thee; and thou shalt know that HaShem of hosts hath sent me unto thee.
Hebrew OT – Zechariah 2:14–15b
[2:14] רָנִּי וְשִׂמְחִי בַּת־צִיּוֹן
כִּי הִנְנִי־בָא וְשָׁכַנְתִּי בְתוֹכֵךְ נְאֻם־יְהוָה
[2:15] וְנִלְווּ גוֹיִם רַבִּים אֶל־יְהוָה בַּיּוֹם הַהוּא
וְהָיוּ־לִי לְעָם וְשָׁכַנְתִּי בְתוֹכֵךְ
וְיָדַעַתְּ כִּי־יְהוָה צְבָאוֹת שְׁלָחַנִי אֵלָיִךְ