Answer:
Mark 8:27,
“Jesus went out, along with His disciples, to the villages of Caesarea Philippi; and on the way He questioned His disciples, saying to them, ‘Who do people say that I am?’ 28 They told Him, saying, ‘John the Baptist; and others say Elijah; but others, one of the prophets.’ 29 And He continued by questioning them, ‘But who do you say that I am?’ Peter answered and said to Him, ‘You are the Christ.’ 30 And He warned them to tell no one about Him.”