Always, always—both day and night—in bed as well!

Professor Rubek.

Give me that knife, Irene!

Irene.

[Concealing it.] You shall not have it. I may very likely find a use for it myself.

Professor Rubek.

What use can you have for it, here?

Irene.

[Looks fixedly at him.] It was intended for you, Arnold.

Professor Rubek.