Second Foundation (Foundation, #3)

by Isaac Asimov

My life might be no longer safe, and I have a great affection for my life.

Given a man like the Mule—and there was no doubt that the Second Foundationers had the Mule’s powers, whether inborn or acquired—with the power of detecting and controlling human emotions, deduce from that the electronic circuit

It’s always easy to explain the unknown by postulating a superhuman and arbitrary will.