Then Jesus told them, “This very night you will all fall away on account of me, for it is written:
“‘I will strike the shepherd,
and the sheep of the flock will be scattered.’
But after I have risen, I will go ahead of you into Galilee.”
Peter replied, “Even if all fall away on account of you, I never will.”
“Truly I tell you,” Jesus answered, “this very night, before the rooster crows, you will disown me three times.”
But Peter declared, “Even if I have to die with you, I will never disown you.” And all the other disciples said the same.
Peter’s heart was entirely right, but his head was entirely wrong. And the other disciples with him. Jesus had already made them clean through the word (John 13), I take it meaning regeneration, new birth. But little did they know or understand either Jesus’s words, or what was happening before them right at that time, the momentous event, and the shaking and sifting, along with the tragedy.
Earlier we remember that Peter had roundly rebuked the Lord for saying that he would have to die on a cross, that such a thing would never happen to the Messiah. The Lord summarily dismissed that, and made it plain that not only would he be taking that route, but that all who really follow him would as well.
Peter still had it in his head that there was a place for the sword. He is the one who cut off the ear of the high priest’s servant. Jesus ends up healing that ear, and makes it plain that all who draw the sword will die by it. And that he had come for this, that the prophecies of scripture were being fulfilled (big in Matthew).
This can be so much like us. Yes, the Spirit in Pentecostal fullness had yet to come. That would make a big difference. But everything had to unfold before them, Jesus’s resurrection, and post-resurrection appearances, and his ascension. Yes, we have the benefit of this now, both in hindsight, and the Spirit’s ministry to us today. But we too can easily not begin to understand what we’ve gotten ourselves into. As Jesus told Peter, along with James and John at the Garden of Gethsemane, “The spirit is willing, but the flesh is weak.”
So our hearts can be right. But are we being changed by the renewing of our minds, so as to know God’s will, and not be conformed to the world (Romans 12:1-2)? That’s the question.