Contradiction with Isaiah 66:6-7
While Isaiah 26:1 speaks of salvation and strength of the city, Isaiah 66:6-7 warns of destruction and turmoil for the disobedient.
Isaiah 66:6-7: A voice of noise from the city, a voice from the temple, a voice of the LORD that rendereth recompence to his enemies.
Contradiction with Jeremiah 25:9-11
Isaiah 26:1 celebrates strong, secure foundations, whereas Jeremiah 25:9-11 predicts desolation and exile for Jerusalem.
Jeremiah 25:9-11: Behold, I will send and take all the families of the north, saith the LORD, and Nebuchadrezzar the king of Babylon, my servant, and will bring them against this land, and against the inhabitants thereof, and against all these nations round about, and will utterly destroy them, and make them an astonishment, and an hissing, and perpetual desolations.
Contradiction with Lamentations 2:8-9
Isaiah 26:1 emphasizes the city's salvation, but Lamentations 2:8-9 describes the city's gates being sunk into the ground and its bars being broken.
Lamentations 2:8-9: The LORD hath purposed to destroy the wall of the daughter of Zion: he hath stretched out a line, he hath not withdrawn his hand from destroying: therefore he made the rampart and the wall to lament; they languished together. [destroying: Heb. swallowing up]
Contradiction with Ezekiel 4:7-8
In contrast to the secure and strong city in Isaiah 26:1, Ezekiel 4:7-8 depicts a besieged city, lacking safety.
Ezekiel 4:7-8: Therefore thou shalt set thy face toward the siege of Jerusalem, and thine arm [shall be] uncovered, and thou shalt prophesy against it.
Contradiction with Micah 3:12
Isaiah 26:1 speaks of strength and salvation, while Micah 3:12 predicts that Zion will be plowed like a field, implying destruction.
Micah 3:12: Therefore shall Zion for your sake be plowed [as] a field, and Jerusalem shall become heaps, and the mountain of the house as the high places of the forest.
Contradiction with Zephaniah 1:15-16
Contradicts the salvation and strength described in Isaiah 26:1 by depicting a day of wrath and distress against the fortified cities.
Zephaniah 1:15-16: That day [is] a day of wrath, a day of trouble and distress, a day of wasteness and desolation, a day of darkness and gloominess, a day of clouds and thick darkness,
Contradiction with Matthew 24:2
Contradicts by prophesying the destruction of the temple and city, which opposes the idea of a strong, salvific city in Isaiah 26:1.
Matthew 24:2: And Jesus said unto them, See ye not all these things? verily I say unto you, There shall not be left here one stone upon another, that shall not be thrown down.
Contradiction with Luke 19:43-44
Verses describe the future siege and destruction of Jerusalem, which is in opposition to the secure and strong city celebrated in Isaiah 26:1.
Luke 19:43-44: For the days shall come upon thee, that thine enemies shall cast a trench about thee, and compass thee round, and keep thee in on every side,
Contradiction with Revelation 18:19
This verse talks about a city made desolate, opposing the depiction of strength and salvation in Isaiah 26:1.
Revelation 18:19: And they cast dust on their heads, and cried, weeping and wailing, saying, Alas, alas, that great city, wherein were made rich all that had ships in the sea by reason of her costliness! for in one hour is she made desolate.