Contradiction with Matthew 7:14
Colossians 1:6 suggests the gospel is spreading across the world, while Matthew 7:14 speaks about the narrow path followed by few.
Matthew 7:14: Because strait [is] the gate, and narrow [is] the way, which leadeth unto life, and few there be that find it. [Because: or, How]
Contradiction with Luke 18:8
Colossians 1:6 indicates increasing faith; however, Luke 18:8 questions if there will be faith on earth when the Son of Man returns.
Luke 18:8: I tell you that he will avenge them speedily. Nevertheless when the Son of man cometh, shall he find faith on the earth?
Contradiction with 2 Timothy 4:3
Colossians 1:6 highlights the gospel's universal impact, whereas 2 Timothy 4:3 foretells a time when people will not endure sound doctrine.
2 Timothy 4:3: For the time will come when they will not endure sound doctrine; but after their own lusts shall they heap to themselves teachers, having itching ears;
Contradiction with 2 Thessalonians 2:3
Contrasts with Colossians 1:6's idea of growth and fruitfulness, as it foretells a falling away or rebellion before the end times.
2 Thessalonians 2:3: Let no man deceive you by any means: for [that day shall not come], except there come a falling away first, and that man of sin be revealed, the son of perdition;
Contradiction with 2 Peter 3:3-4
While Colossians 1:6 suggests ongoing growth in the truth since hearing the gospel, 2 Peter 3:3-4 warns about scoffers who doubt the promise of His coming.
2 Peter 3:3-4: Knowing this first, that there shall come in the last days scoffers, walking after their own lusts,