Isaac Asimov book summaries

“A human being needs a certain amount of space. It's a psychological necessity.”

Reflecting on the overcrowded conditions of Earth's cities and the psychological impact on its inhabitants.

“Prejudice is a great time-saver. It enables you to form opinions without bothering to get the facts.”

Baley's internal thought, acknowledging his own biases against robots and Spacers, highlighting the theme of prejudice.

“A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.”

A restatement of the Third Law of Robotics, crucial to understanding robot behavior and limitations in the story.

“The Earthman's fear of the outside was a sickness, a neurosis, a mass hysteria.”

A Spacer's perspective on the agoraphobia prevalent among Earth's population, emphasizing the cultural divide.

“There was no such thing as a humaniform robot. There was only a robot.”

Baley's initial, prejudiced thought about R. Daneel, refusing to acknowledge any human-like qualities in a robot.