And guard the weaker places—warily ask,
What if considerations of a sort,
Reasons of a kind, arise from out the strange
Peculiar unforeseen new circumstance
Of this our (candor owns) abnormal act,
To bar the right of us revenging so?
"Impunity were otherwise your meed:
Go slay your wife and welcome,"—may be urged,—
"But why the innocent old couple slay,
Pietro, Violante? You may do enough,