wilt thou lay down thy life for my sake? — Comp. for this phrase Note on John 10:11. The pronouns are emphatic, and there is a solemn emphasis in the repetition of what St. Peter had said. He was using words of which he knew not the full meaning. He spoke of laying down his life for his Lord. He would hereafter be able to follow, because his Lord would lay down His own life for him.
For the remainder of the verse, comp. Notes on Matthew 26:34; Mark 14:30; and Luke 22:34.