sentences:  His approach has not held up completely to later research, but it remains foundational to all investigations of parables and allegories.Jülicher, along with Johannes Weiss, was instrumental in forging a consensus position on the new theory of "Messianic Secret" motif in the Gospel of Mark.Before Jülicher, William Wrede had theorized that the historical Jesus had not claimed to be the Messiah, but that the early church had claimed that he was.