Explanatory Notes on the Whole Bible, by John Wesley, [1754-65], at sacred-texts.com
zac 13:1A fountain - The blood of Christ. Opened - The spouse is to Christ a fountain sealed, but Christ is to sinners a fountain opened. Inhabitants of Jerusalem - The inhabitants of Jerusalem are all to whom the gospel is preached. For uncleanness - For purging away all manner of sins and uncleannesses.
zac 13:2Cut off - I will utterly destroy idols and idolatry. The prophets - The false prophets. The unclean spirit - The devil who sets the false prophets to work.
zac 13:3Prophesy - Falsely. His father - His dearest friends. Shall thrust him through - That is, shall wound, shall chastise him with stripes that may leave their marks behind.
zac 13:4A rough garment - Such as the true prophets were wont to wear.
zac 13:6With which I was wounded - To recover me from ruining myself and others by imposture, see Zac 13:3.
zac 13:7O sword - Afflictions, persecutions, and the cross. My shepherd - Who is my faithful shepherd, and will lay down his life for my sheep. My fellow - This speaks Christ; man with us, and God with his father, God - man in one person. The shepherd - This great and good shepherd. Turn mine hand - God will turn his hand in favour, and for protection will keep the new, and weak disciples.
zac 13:8Two parts - Not precisely two, but the greater part shall die a temporal death, by the sword of Titus, or in eternal death under unbelief. The third - A remnant, the lesser part, shall escape or be preserved.