This Bible contradiction is from the Skeptic's Annotated Bible.
Acts 9:26 View context
And when Saul was come to Jerusalem, he assayed to join himself to the disciples: but they were all afraid of him, and believed not that he was a disciple.
Galatians 1:16-17 View context
To reveal his Son in me, that I might preach him among the heathen; immediately I conferred not with flesh and blood:
Neither went I up to Jerusalem to them which were apostles before me; but I went into Arabia, and returned again unto Damascus.