John 13:37

Peter said to him, "Lord, why can I not follow you now? I will lay down my life for you."

Matthew 26:31-35

Then Jesus said to them, "You will all fall away because of me this night; for it is written, 'I will strike the shepherd, and the sheep of the flock will be scattered.'

Mark 14:27-31

And Jesus said to them, "You will all fall away; for it is written: 'I will strike the shepherd, and the sheep will be scattered.'

Luke 22:31-34

"Simon, Simon, behold, Satan has asked to have you, that he might sift you as wheat.

John 21:15

When they had finished breakfast, Jesus said to Simon Peter, "Simon, son of John, do you love me more than these?" He said to him, "Yes, Lord; you know that I love you." He said to him, "Feed my lambs."

Acts 20:24

But I do not consider my life of any account nor as precious to myself, if only I may finish my course and the ministry which I received from the Lord Jesus, to testify to the gospel of the grace of God.

Acts 21:13

Then Paul answered, "What are you doing, weeping and breaking my heart? For I am ready not only to be bound but even to die at Jerusalem for the name of the Lord Jesus."

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
When they had finished breakfast, Jesus said to Simon Peter, "Simon, son of John, do you love me more than these?" He said to him, "Yes, Lord; you know that I love you." He said to him, "Feed my lambs."
Matthew 26:31
Then Jesus said to them, "You will all fall away because of me this night; for it is written, 'I will strike the shepherd, and the sheep of the flock will be scattered.'
Mark 14:27
And Jesus said to them, "You will all fall away; for it is written: 'I will strike the shepherd, and the sheep will be scattered.'
Luke 22:31
"Simon, Simon, behold, Satan has asked to have you, that he might sift you as wheat.
Acts 20:24
But I do not consider my life of any account nor as precious to myself, if only I may finish my course and the ministry which I received from the Lord Jesus, to testify to the gospel of the grace of God.
Acts 21:13
Then Paul answered, "What are you doing, weeping and breaking my heart? For I am ready not only to be bound but even to die at Jerusalem for the name of the Lord Jesus."