Contradiction with John 7:5
This verse states that even Jesus' own brothers did not believe in Him, contrasting with the crowd's belief.
John 7:5: For neither did his brethren believe in him.
Contradiction with John 6:66
Here, many of Jesus' disciples turned back and no longer followed Him, which contradicts with individuals believing in John 7:31.
John 6:66: From that [time] many of his disciples went back, and walked no more with him.
Contradiction with Matthew 13:58
It says Jesus did not perform many miracles because of their unbelief, which contrasts with the belief mentioned in John 7:31.
Matthew 13:58: And he did not many mighty works there because of their unbelief.
Contradiction with Mark 3:21
Jesus’ family thought He was out of His mind, which contradicts the belief depicted in John 7:31.
Mark 3:21: And when his friends heard [of it], they went out to lay hold on him: for they said, He is beside himself. [friends: or, kinsmen]