What is the difference between a Pharisee and a Sadducee? What did the disciples mean when they said to Jesus, “Some say John the Baptist; and others Elijah; but still others, Jeremiah, or one of the prophets.” (Matt. 16: 13-14) Why would they be expecting Elijah or another prophet? What did Jesus mean about “yeast of the Pharisees”? Is the Father spirit or flesh (as some cults claim)? What did Jesus mean by “on this rock I will build my church”?