Turk obviously recognizes that Jesus isn't asking Peter to look over ovine nutrition for Him.
After John, the lecture moved to the death of Socrates. As Socrates dies, he turns to Crito and says, "we owe a cock to Asclepius." The dying man here also employs figurative language. Crito isn't to pay off some bookie. Asclepius is the practitioner of medicine in Greek mythology.
I thought it especially interesting that not only did television quote the same Biblical passage as lecture did today, but that the line was delivered by a surgeon, a human counterpart to Asclepius.
Following these topics, Professor Sexson told us the idea of realized eschatology. He told us that all there is to look for in paradise can be found in Lit 240. To me, it seems that anything else certainly can.