Contradiction with John 12:46
Isaiah 18:3 mentions a trumpet being blown, signaling people to see and hear a message, while John 12:46 focuses on Jesus as the light that guides individuals without a physical or audible signal.
John 12:46: I am come a light into the world, that whosoever believeth on me should not abide in darkness.
Contradiction with 1 Thessalonians 5:2
Isaiah 18:3 speaks of an observable signal for all, contrasting with 1 Thessalonians 5:2, which describes the Lord's coming as a thief in the night, unexpected and not marked by a visible sign.
1 Thessalonians 5:2: For yourselves know perfectly that the day of the Lord so cometh as a thief in the night.
Contradiction with Matthew 24:27
Isaiah 18:3 describes a visible sign for all people, while Matthew 24:27 compares Christ's coming to lightning that flashes and is visible instantly, suggesting suddenness rather than a forewarned event.
Matthew 24:27: For as the lightning cometh out of the east, and shineth even unto the west; so shall also the coming of the Son of man be.
Contradiction with Luke 17:20
Isaiah 18:3 emphasizes seeing and hearing as a signal, whereas Luke 17:20 states that the kingdom of God does not come with observation, contrasting the need for a visible sign.
Luke 17:20: And when he was demanded of the Pharisees, when the kingdom of God should come, he answered them and said, The kingdom of God cometh not with observation: [with...: or, with outward shew]
Contradiction with 2 Peter 3:10
Isaiah 18:3 refers to visible and audible signals, while 2 Peter 3:10 speaks of the day of the Lord coming unexpectedly, with cosmic events rather than preemptive signs.
2 Peter 3:10: But the day of the Lord will come as a thief in the night; in the which the heavens shall pass away with a great noise, and the elements shall melt with fervent heat, the earth also and the works that are therein shall be burned up.