at a time when Jesus pray alone, his disciples came to him. then jesus asked them, "what the crowds say about who I am?" they replied: "John the Baptist, others say Elijah, some are saying, one of the old prophets has risen." Jesus said to them: "who do you say I am?" petrus replied: "son of god." then Jesus not allow them to tell anyone.
http://www.youtube.com/watch?v=-s7QNpqiqsc&feature=related
Father Can You Hear Me