18 One day Jesus left the crowds to pray alone. Only his disciples were with him, and he asked them, "Who do people say I am?" 19 "Well," they replied, "some say John the Baptist, some say Elijah, and others say you are one of the other ancient prophets risen from the dead." 20 Then he asked them, "But who do you say I am?" Peter replied, "You are the Messiah sent from God!"
21 Jesus warned his disciples not to tell anyone who he was. 22 "The Son of Man must suffer many terrible things," he said. "He will be rejected by the elders, the leading priests, and the teachers of religious law. He will be killed, but on the third day he will be raised from the dead."
Matthew Henry's Commentary on Luke 9:18-22
Commentary on Luke 9:18-27
(Read Luke 9:18-27)
It is an unspeakable comfort that our Lord Jesus is God's Anointed; this signifies that he was both appointed to be the Messiah, and qualified for it. Jesus discourses concerning his own sufferings and death. And so far must his disciples be from thinking how to prevent his sufferings, that they must prepare for their own. We often meet with crosses in the way of duty; and though we must not pull them upon our own heads, yet, when they are laid for us, we must take them up, and carry them after Christ. It is well or ill with us, according as it is well or ill with our souls. The body cannot be happy, if the soul be miserable in the other world; but the soul may be happy, though the body is greatly afflicted and oppressed in this world. We must never be ashamed of Christ and his gospel.