The Fourth Gospel, inexplicable without St Paul and the fall of Jerusalem, is fully understandable with them.
It was understandable on Morino's part, but it must have been miserable for everyone else concerned.
Like most bugs it is totally understandable and, given hindsight, totally predictable.
These movements, promoted by the councils of Constance and Basel, partook of the spirit of the time and were characterized by an extreme austerity of life and a certain hardness of spirit, and a sort of police regulation easily understandable at a time of reaction from grave abuses.
We have understandable emotional responses to all these situations.