Contradiction with Matthew 26:55
John 7:14 describes Jesus teaching openly in the temple, while in Matthew 26:55, Jesus acknowledges that He taught publicly and questions why they come to seize Him as a thief.
Matthew 26:55: But all this was done, that the scriptures of the prophets might be fulfilled. Then all the disciples forsook him, and fled.
Contradiction with Mark 1:45
John 7:14 depicts Jesus openly in the temple, whereas Mark 1:45 reports that Jesus could no longer openly enter a city due to His growing fame.
Mark 1:45: But he went out, and began to publish [it] much, and to blaze abroad the matter, insomuch that Jesus could no more openly enter into the city, but was without in desert places: and they came to him from every quarter.
Contradiction with John 7:10
In John 7:14, Jesus is teaching openly, but earlier in John 7:10, Jesus went to the feast in secret.
John 7:10: But when his brethren were gone up, then went he also up unto the feast, not openly, but as it were in secret.
Contradiction with John 8:59
John 7:14 portrays Jesus teaching openly, while John 8:59 describes Him hiding and going out of the temple as people attempted to stone Him.
John 8:59: Then took they up stones to cast at him: but Jesus hid himself, and went out of the temple, going through the midst of them, and so passed by.
Contradiction with Luke 4:29-30
John 7:14 describes Jesus teaching in the temple, whereas in Luke 4:29-30, He escapes a crowd intending to throw Him off a cliff, suggesting He was not always safe to preach openly.
Luke 4:29-30: And rose up, and thrust him out of the city, and led him unto the brow of the hill whereon their city was built, that they might cast him down headlong. [brow: or, edge]
Contradiction with John 6:15
John 7:14 shows Jesus in the temple teaching, while John 6:15 indicates that He withdrew again to a mountain by Himself when they desired to make Him king.
John 6:15: When Jesus therefore perceived that they would come and take him by force, to make him a king, he departed again into a mountain himself alone.
Contradiction with John 11:54
In John 7:14, Jesus is in the temple teaching publicly, but in John 11:54, Jesus no longer walked openly among the Jews and went into the wilderness.
John 11:54: Jesus therefore walked no more openly among the Jews; but went thence unto a country near to the wilderness, into a city called Ephraim, and there continued with his disciples.
Contradiction with Matthew 12:15
John 7:14 depicts Jesus teaching openly, while Matthew 12:15 recounts Jesus withdrawing Himself from perceived danger.
Matthew 12:15: But when Jesus knew [it], he withdrew himself from thence: and great multitudes followed him, and he healed them all;
Contradiction with Mark 7:24
John 7:14 describes teaching in the temple, but Mark 7:24 states that He entered a house and did not want anyone to know it, suggesting withdrawal from public attention.
Mark 7:24: For a [certain] woman, whose young daughter had an unclean spirit, heard of him, and came and fell at his feet:
Contradiction with John 7:1
In John 7:14, Jesus is openly teaching, whereas in John 7:1, He walked in Galilee avoiding Judea where He was under threat from the Jews.
John 7:1: After these things Jesus walked in Galilee: for he would not walk in Jewry, because the Jews sought to kill him.