On the Soul book cover

On the Soul

Aristotle · English text · 32,527 words

Aristotle investigates life and perception by asking what the soul is and how its capacities relate to living bodies.

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Background

De Anima is a foundational work in ancient psychology and natural philosophy, moving from earlier theories toward Aristotle’s own account of sense and thought.

Reading notes

  • Keep the distinctions among nutritive, perceptive, and rational capacities in view.
  • Notice how examples from plants and animals support the argument.
  • Treat difficult definitions as steps in a sustained inquiry.