By: John W. Campbell

“My Intelligence is beyond your comprehension.”

By: John W. Campbell

It floated motionless, a mere pool of pure force.

By: John W. Campbell

“Perhaps, this is — a last evolution.”

By: John W. Campbell

“The beams will be here in another five minutes.”

By: John W. Campbell

“Let machines be made and attack that enemy life-form.”

By: John W. Campbell

The tentacles writhed once more, straightened, and rolled back.

By: John W. Campbell

It was a new brain-machine.

By: John W. Campbell

In an hour, three more colonies of humans had been destroyed.

By: John W. Campbell

A bluish beam snapped out, and the tiny machine went blank.

By: John W. Campbell

Machines had imagination of the ideal sort.