It was said, too, that the sentence of exile, which placed him in his present position, had been an alleviation of a more rigorous punishment; that he had been allowed, after a period of many years of imprisonment in a monastery of his order at Venice, to change that punishment for the duty to which he had been appointed, and which would scarcely have seemed an amelioration of destiny to any one save a man who had for years been deprived of the light of the sun and the scent of the free air.

Some deed there had been in that life which had called for such monastic discipline; some outcome of human passion when the blood, that now crept slowly, while the aged monk passed the hours in waiting for visions before the altar of St.Apollinare, was running in his veins too rapidly for monastic requirements.
It was evident from the few words that he had let drop, when he became aware who the young Venetian visitor to the church under his care was, that some special circumstances caused him to feel a more than ordinary interest in her.

Some connection there must have been between some portion of his life and that of some member or members of her family.

Of what nature was it?
Monkish tribunals, however else they may treat those subjected to them, at least keep their secrets.

Frailties must be expiated; but they need not be exposed.