in which he also went and preached to the spirits in prison,
 (2) If the meaning be that he went and preached after his death, it seems difficult to know why the reference is to those only who “had been disobedient in the days of Noah.” Why were they alone selected for this message? Are they separate from others? Were they the only ones in purgatory who could be beneficially affected by his preaching? On the other method of interpretation, we can suggest a reason why they were particularly specified. But how can we on this?