27 And Jesus went forth, and his disciples, to the villages of Cesarea Philippi, and in the way he was questioning his disciples, saying to them, 'Who do men say me to be?' 28 And they answered, 'John the Baptist, and others Elijah, but others one of the prophets.' 29 And he saith to them, 'And ye—who do ye say me to be?' and Peter answering saith to him, 'Thou art the Christ.' 30 And he strictly charged them that they may tell no one about it,
31 and began to teach them, that it behoveth the Son of Man to suffer many things, and to be rejected by the elders, and chief priests, and scribes, and to be killed, and after three days to rise again; 32 and openly he was speaking the word. And Peter having taken him aside, began to rebuke him, 33 and he, having turned, and having looked on his disciples, rebuked Peter, saying, 'Get behind me, Adversary, because thou dost not mind the things of God, but the things of men.'
Matthew Henry's Commentary on Mark 8:27-33
Commentary on Mark 8:27-33
(Read Mark 8:27-33)
These things are written, that we may believe that Jesus is the Christ, the Son of God. These miracles of our Lord assure us that he was not conquered, but a Conqueror. Now the disciples are convinced that Jesus is the Christ; they may bear to hear of his sufferings, of which Christ here begins to give them notice. He sees that amiss in what we say and do, of which we ourselves are not aware, and knows what manner of spirit we are of, when we ourselves do not. The wisdom of man is folly, when it pretends to limit the Divine counsels. Peter did not rightly understand the nature of Christ's kingdom.