Contradiction with Jeremiah 21:5
Isaiah 30:31 depicts God striking enemies with His voice, showing divine support, while Jeremiah 21:5 describes God fighting against His own people with an outstretched hand and strong arm.
Jeremiah 21:5: And I myself will fight against you with an outstretched hand and with a strong arm, even in anger, and in fury, and in great wrath.
Contradiction with Amos 9:4
Isaiah 30:31 suggests support and victory against enemies for the righteous, whereas Amos 9:4 shows God setting His eyes upon people for evil and not for good.
Amos 9:4: And though they go into captivity before their enemies, thence will I command the sword, and it shall slay them: and I will set mine eyes upon them for evil, and not for good.
Contradiction with Isaiah 54:10
Isaiah 30:31 portrays God's might against enemies, while Isaiah 54:10 promises peace and kindness that will not depart.
Isaiah 54:10: For the mountains shall depart, and the hills be removed; but my kindness shall not depart from thee, neither shall the covenant of my peace be removed, saith the LORD that hath mercy on thee.
Contradiction with Hosea 11:9
In Isaiah 30:31, God is an active warrior, yet Hosea 11:9 emphasizes God’s reluctance to execute the fierceness of His anger, stating "I will not destroy Ephraim."
Hosea 11:9: I will not execute the fierceness of mine anger, I will not return to destroy Ephraim: for I [am] God, and not man; the Holy One in the midst of thee: and I will not enter into the city.
Contradiction with Lamentations 3:31-33
Isaiah 30:31 highlights God's judgment and wrath, whereas Lamentations 3:31-33 asserts God does not afflict willingly nor grieve the children of men.
Lamentations 3:31-33: For the Lord will not cast off for ever:
Contradiction with James 3:17
Isaiah 30:31 implies vengeance and God’s voice as a tool of war, in contrast, James 3:17 describes wisdom from above as peaceable and gentle.
James 3:17: But the wisdom that is from above is first pure, then peaceable, gentle, [and] easy to be intreated, full of mercy and good fruits, without partiality, and without hypocrisy. [partiality: or, wrangling]