The alive, super-intelligent brain having no body, surpasses his friend, the canny scientist who destroyed his body. The brain wants revenge and finds possible ones since his hatred and bitterness are in his mind. This science fiction short story that explores the intersection of technology, the human mind, and the nature of consciousness.
Overall, "All in the Mind" is a haunting and fascinating exploration of the possibilities and dangers of technology, and its impact on the human experience, particularly the role of memory and consciousness.