Opening and alleging, that Christ must needs have suffered, and risen again from the dead; and that this Jesus, whom I preach unto you, is Christ. Opening and alleging - Παρατιθεμνος, Proving by citations. His method seems to have been this:
1st. He collected the scriptures that spoke of the Messiah.
2d. He applied these to Jesus Christ, showing that in him all these scriptures were fulfilled, and that he was the Savior of whom they were in expectation. He showed also that the Christ, or Messiah, must needs suffer - that this was predicted, and was an essential mark of the true Messiah. By proving this point, he corrected their false notion of a triumphant Messiah, and thus removed the scandal of the cross.