Alquist. It was— (Rising) burnt. (All draw back one step in consternation.) I am the last human being, Robots, and I do not know what the others knew. (Sits.)

Radius. Then make experiments. Evolve the formula again.

Alquist. I tell you I cannot. I am only a builder. I work with my hands. I have never been a learned man. I cannot create life.

Radius. Try. Try.

Alquist. If you only knew how many experiments I have made already.

1st Robot. Then show us what we must do. The Robots can do anything that human beings show them.

Alquist. I can show you nothing. Nothing I do will make life proceed from these test tubes.

Radius. Experiment, then, on live Robots. Experiment, then, on us.

Alquist. It would kill you.

Radius. You shall have all you need. A hundred of us. A thousand of us.