He began to be haunted by a strange curiosity about the unpardonable sin, and by a morbid longing to commit it.
The prerogative of the Crown is subject to some restrictions: (r) The committing of a subject of the realm to a prison out of the realm is by the Habeas Corpus Act a praemunire, unpardonable even by the king (31 Car.
What was unpardonable was that he treated the people about him like a shah, or one of the craziest of the Roman emperors.
This was intolerable to the aristocratic republicans, to whom it seemed becoming that victorious commanders should accept divine honours at the hands of Greeks and Asiatics, but unpardonable that Romans should offer the same worship to a Roman.
It was blasphemy against the spirit, or the unpardonable sin, a sin so awesomely bad that it can not be forgiven.