It is too isolated an aim to be dramatic.

It is to build up and image the noble character of Luria, and it reaches that end with dignity.
The other characters are but foils to enhance the solitary greatness of Luria.

Braccio is a mere voice, a theory who talks, and, at the end, when he becomes more human, he seems to lose his intelligence.

The Secretaries have no individuality.

Domizia causes nothing, and might with advantage be out of the play.