Contradiction with Hebrews 10:4
Zechariah 13:1 speaks of a fountain for sin and uncleanness, implying purification, while Hebrews 10:4 states that it is not possible for the blood of bulls and goats to take away sins, suggesting sacrifice alone is insufficient for purification.
Hebrews 10:4: For [it is] not possible that the blood of bulls and of goats should take away sins.
Contradiction with Romans 3:23-24
Zechariah 13:1 suggests a singular, complete provision for sin, whereas Romans 3:23-24 presents justification as a continuous grace through Christ, implying an ongoing process.
Romans 3:23-24: For all have sinned, and come short of the glory of God;
Contradiction with Isaiah 64:6
Zechariah 13:1 offers a solution for uncleanness, but Isaiah 64:6 emphasizes that all human righteousness is like filthy rags, contradicting the efficacy of a cleansing fountain without divine intervention.
Isaiah 64:6: But we are all as an unclean [thing], and all our righteousnesses [are] as filthy rags; and we all do fade as a leaf; and our iniquities, like the wind, have taken us away.
Contradiction with Revelation 21:27
Zechariah 13:1 indicates a means to cleanse from sin, but Revelation 21:27 asserts that nothing unclean will enter the holy city, implying a more final judgment-free from earthly purification.
Revelation 21:27: And there shall in no wise enter into it any thing that defileth, neither [whatsoever] worketh abomination, or [maketh] a lie: but they which are written in the Lamb's book of life.
Contradiction with Hebrews 9:22
Zechariah 13:1 highlights a cleansing fountain for sin, yet Hebrews 9:22 indicates that only bloodshed allows for remission, emphasizing blood over symbolic fountains.
Hebrews 9:22: And almost all things are by the law purged with blood; and without shedding of blood is no remission.
Contradiction with 1 John 1:8-9
Zechariah 13:1 discusses cleansing through a fountain, whereas 1 John 1:8-9 talks about confession of sins as essential for cleansing, not just a one-time provision.
1 John 1:8-9: If we say that we have no sin, we deceive ourselves, and the truth is not in us.