Commentaries:
Robertson's Word Pictures (NT)
By what manner of death (poiw qanatw). Undoubtedly John, who is writing long after Peter's death, seems to mean that Peter was to die (and did die) a martyr's death. "Whither thou wouldest not." There is a tradition that Peter met death by crucifixion and asked to be crucified head downwards, but that is not made plain here.
Other Robertson's Word Pictures (NT) entries containing John 21:19:
John 1:43
John 12:33
1 Peter 5:5
Revelation 14:4
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