John 13:37

Peter says to Him; Lord, why am I not able to follow thee now? I will lay down my soul for thee.

Matthew 26:31-35

Then Jesus says to them, You will all be offended in me this night: for it has been written, I will smite the Shepherd, and the sheep of the flock shall be scattered.

Mark 14:27-31

And Jesus says to them, You will all be offended, because it has been written, I will smite the Shepherd, and the sheep shall be scattered.

Luke 22:31-34

Simon, Simon, behold, Satan sought you out, to sift you as wheat:

John 21:15

Then when they took breakfast, Jesus says to Simon Peter; Simon, the son of Jonah, dost thou love me with divine love more than these? He says to Him, Yes, Lord; thou knowest that I love thee as a friend. He says to him; Feed my lambs.

Acts 20:24

But I consider my life worthy of no consideration to myself, so as to finish my course, and the ministry which I received from the Lord Jesus, to bear testimony to the gospel of the grace of God.

Treasury of Scripture Knowledge

Summary

Peter said unto him, Lord, why cannot I follow thee now? I will lay down my life for thy sake.

Bible References

Why

John 21:15
Then when they took breakfast, Jesus says to Simon Peter; Simon, the son of Jonah, dost thou love me with divine love more than these? He says to Him, Yes, Lord; thou knowest that I love thee as a friend. He says to him; Feed my lambs.
Matthew 26:31
Then Jesus says to them, You will all be offended in me this night: for it has been written, I will smite the Shepherd, and the sheep of the flock shall be scattered.
Mark 14:27
And Jesus says to them, You will all be offended, because it has been written, I will smite the Shepherd, and the sheep shall be scattered.
Luke 22:31
Simon, Simon, behold, Satan sought you out, to sift you as wheat:
Acts 20:24
But I consider my life worthy of no consideration to myself, so as to finish my course, and the ministry which I received from the Lord Jesus, to bear testimony to the gospel of the grace of God.