I, Robot is very interested in questions of superiority and domination—who has power, who should have power, and what people (or robots) do with that power. Robots certainly seem to have some power, since they are stronger than people; but people have a lot of power as their controllers. (No matter how strong a robot is, it still needs to follow human orders and not harm any humans.) Power in I, Robot also takes some different forms: there's simple strength, but then there's also power that comes from love (for instance, Mrs. Weston has power over Mr. Weston because he loves her) and also from respect (which Susan Calvin should have since she's the best robopsychologist). So power is an important theme here, and it comes in many forms.
Questions About Power
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Try on an opinion or two, start a debate, or play the devil’s advocate.
I, Robot shows power of different forms—military command, scientific respect, physical strength, etc.—in order to make us question the power of robots, which is mostly physical.
Robots are shown to be more powerful than humans and more moral throughout the stories, so that the reader isn't bothered by the idea of robots taking over at the end of the book.