And he answered him to never a word; insomuch that the governor marvelled greatly.
Note 3 at Mt 27:14: Pilate marveled greatly that Jesus kept silent. This was unusual behavior. No doubt Pilate had condemned many people to die and had witnessed the entire spectrum of human emotions as they faced death. However, he had never seen any of those people so fearless that they didn't even try to justify and deliver themselves before their accusers.