[Dancing with joy.] A proof! A demonstration!

Valentinus.

Not so! Merely a definition!... Toward the door!

Nerva.

[Mocking, though complying.] Which, no doubt, will fly open of its own accord at our approach!

[The Two comply, walking toward the door.]

Quartilla.

[Dancing about.] Now you’ll see; you’ll see!

[With his rolled parchment Valentinus gives each youth a sharp blow across the shoulders. With an indignant cry they turn about.]

Pertinax.