Zechariah 3:3-9
3 Now Joshua was standing before the angel, clothed with filthy garments. 4 And the angel said to those who were standing before him, “Remove the filthy garments from him.” And to him he said, “Behold, I have taken your iniquity away from you, and I will clothe you with pure vestments.” 5 And I said, “Let them put a clean turban on his head.” So they put a clean turban on his head and clothed him with garments. And the angel of the Lord was standing by.
6 And the angel of the Lord solemnly assured Joshua, 7 “Thus says the Lord of hosts: If you will walk in my ways and keep my charge, then you shall rule my house and have charge of my courts, and I will give you the right of access among those who are standing here. 8 Hear now, O Joshua the high priest, you and your friends who sit before you, for they are men who are a sign: behold, I will bring my servant the Branch. 9 For behold, on the stone that I have set before Joshua, on a single stone with seven eyes, I will engrave its inscription, declares the Lord of hosts, and I will remove the iniquity of this land in a single day.
Zechariah 12:10-11
Him Whom They Have Pierced
10 “And I will pour out on the house of David and the inhabitants of Jerusalem a spirit of grace and pleas for mercy, so that, when they look on me, on him whom they have pierced, they shall mourn for him, as one mourns for an only child, and weep bitterly over him, as one weeps over a firstborn. 11 On that day the mourning in Jerusalem will be as great as the mourning for Hadad-rimmon in the plain of Megiddo.
Zechariah 13:1
13:1 “On that day there shall be a fountain opened for the house of David and the inhabitants of Jerusalem, to cleanse them from sin and uncleanness. (ESV)