Contradiction with Matthew 13:58
This verse states that Jesus did not perform many mighty works in his hometown because of their unbelief, contrasting with the belief seen in John 8:30.
Matthew 13:58: And he did not many mighty works there because of their unbelief.
Contradiction with John 12:37
Despite Jesus performing many signs, there were still those who did not believe in him, unlike the belief expressed in John 8:30.
John 12:37: But though he had done so many miracles before them, yet they believed not on him:
Contradiction with Mark 6:5-6
Jesus marveled at the unbelief in Nazareth, showing a stark difference from the belief noted in John 8:30.
Mark 6:5-6: And he could there do no mighty work, save that he laid his hands upon a few sick folk, and healed [them].
Contradiction with John 1:11
This verse notes that Jesus came to his own, but they did not receive him, contrasting the belief seen in John 8:30.
John 1:11: He came unto his own, and his own received him not.
Contradiction with Luke 4:28-29
After Jesus spoke, people in the synagogue were filled with wrath and sought to harm him, not the belief depicted in John 8:30.
Luke 4:28-29: And all they in the synagogue, when they heard these things, were filled with wrath,