Passage
Peter said to him, “Lord, why can’t I follow you now? I will lay down my life for you.”
Peter said to him, “Lord, why can’t I follow you now? I will lay down my life for you.”
John 13:35 By this everyone will know that you are my disciples, if you have love for one another.”
John 13:36 Simon Peter said to him, “Lord, where are you going?” Jesus answered, “Where I am going, you can’t follow now, but you will follow afterwards.”
John 13:37 Peter said to him, “Lord, why can’t I follow you now? I will lay down my life for you.”
John 13:38 Jesus answered him, “Will you lay down your life for me? Most certainly I tell you, the rooster won’t crow until you have denied me three times.
The verse centers on "peter", "said", "lord", "follow", "down", and "life". It is saying that the verse draws attention to "peter" and "said", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 36's "Simon Peter said to him Lord where..." into verse 38's "Jesus answered him Will you lay down...", so "peter" and "said" belong inside that flow. In John context, the local focus is the identity of Jesus, new birth, eternal life, and belief and unbelief.
A plain takeaway is to answer the verse's own emphasis on "peter" and "said" with trust shaped by these words, not by a vague optimism outside the passage.