Contradiction with Proverbs 20:9
This verse questions the ability of anyone to say they have made their heart clean, questioning humanity's ability to purify themselves, while Nehemiah 12:30 mentions the priests and Levites purifying themselves.
Proverbs 20:9: Who can say, I have made my heart clean, I am pure from my sin?
Contradiction with Isaiah 64:6
This verse describes all righteousness as filthy rags, implying efforts of purification by people are inadequate before God, whereas Nehemiah 12:30 depicts a successful act of purification.
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 Titus 3:5
This verse emphasizes that salvation and purification are not due to righteous acts but through God's mercy, contrasting the physical purification process described in Nehemiah 12:30.
Titus 3:5: Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost;
Contradiction with Jeremiah 2:22
This verse states that no matter how much one cleanses with soap and lye, iniquity is still marked, contradicting the notion of purification in Nehemiah 12:30.
Jeremiah 2:22: For though thou wash thee with nitre, and take thee much soap, [yet] thine iniquity is marked before me, saith the Lord GOD.
Contradiction with Job 14:4
This verse asks who can bring a clean thing out of an unclean, indicating human impurity cannot be cleansed, conflicting with the purification mentioned in Nehemiah 12:30.
Job 14:4: Who can bring a clean [thing] out of an unclean? not one. [can...: Heb. will give]