18 Now it happened that as he was praying alone the disciples were with him; and he asked them, "Who do the people say that I am?" 19 And they answered, "John the Baptist; but others say, Eli'jah; and others, that one of the old prophets has risen." 20 And he said to them, "But who do you say that I am?" And Peter answered, "The Christ of God."
21 But he charged and commanded them to tell this to no one, 22 saying, "The Son of man must suffer many things, and be rejected by the elders and chief priests and scribes, and be killed, and on the third day be raised." 23 And he said to all, "If any man would come after me, let him deny himself and take up his cross daily and follow me. 24 For whoever would save his life will lose it; and whoever loses his life for my sake, he will save it. 25 For what does it profit a man if he gains the whole world and loses or forfeits himself? 26 For whoever is ashamed of me and of my words, of him will the Son of man be ashamed when he comes in his glory and the glory of the Father and of the holy angels.
Matthew Henry's Commentary on Luke 9:18-26
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.