וְהִנֵּ֗ה הַמַּלְאָ֛ךְ הַדֹּבֵ֥ר בִּ֖י יֹצֵ֑א וּמַלְאָ֣ךְ אַחֵ֔ר יֹצֵ֖א לִקְרָאתֽוֹ׃
And, behold, the angel that spoke with me went forth, and another angel went out to meet him,
Read kabbalistic (mystical) interpretation of Zechariah 2:7: and classical mystical sources.