devotes himself to something he thinks Florence, and the old fortune follows, ...

and I will soon loosen my Braccio and Puccio (a pale discontented man) and Tiburzio (the Pisan, good true fellow, this one), and Domizia the lady--loosen all these on dear foolish (ravishing must his folly be) golden-hearted Luria, all these with their worldly wisdom and Tuscan shrewd ways." Florence, in short, plays collectively somewhat the part of Iago to this second Othello, but of an Iago (need it be said) immeasurably less deeply rooted in malignity than Shakespeare's.

It was a source of weakness as well as of strength in Browning as a dramatist that the evil things in men dissolve so readily under his scrutiny as if they were mere shells of flimsy disguise for the "soul of goodness" they contain.

He has, in fact, put so much strong sense on the side of the jealous Florentine masters of his hero that his own sympathies were divided, with paralysing effect, it would seem, upon his interest in drama.[23] Even the formidable antagonism of Braccio, the Florentine Commissary, is buttressed, if not based, upon a resolve to defend the rights of civilisation against militarism, of intellect against brute force.
"Brute force shall not rule Florence." Even so, it is only after conflict and fluctuation that he decides to allow Luria's trial to take its course.

Puccio, again, the former general of Florence, superseded by Luria, and now serving under his command, turns out not quite the "pale discontented man" whom Browning originally designed and whom such a situation was no doubt calculated to produce.