Contradiction with Galatians 1:12
Claims the gospel was not received from man, contradicting 1 Corinthians 15:11 that suggests a shared message.
Galatians 1:12: For I neither received it of man, neither was I taught [it], but by the revelation of Jesus Christ.
Contradiction with 1 Corinthians 1:13
Questions divisions among believers, contrasting with 1 Corinthians 15:11's emphasis on unity in preaching.
1 Corinthians 1:13: Is Christ divided? was Paul crucified for you? or were ye baptized in the name of Paul?
Contradiction with 1 John 4:1
Encourages testing spirits because not all are true, contradicting the unity around the gospel in 1 Corinthians 15:11.
1 John 4:1: Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
Contradiction with Romans 16:17
Warns to avoid those causing divisions, in contrast to the unity of message expressed in 1 Corinthians 15:11.
Romans 16:17: Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.
Contradiction with 2 Timothy 4:3
Predicts a time when people will not endure sound doctrine, contradicting the unity in preaching of 1 Corinthians 15:11.
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;