Aristotle's On the soul (De anima)

Aristotle's 'On the Soul' is a seminal work of ancient philosophy that explores the nature of the soul, its faculties, and its relationship to the body. This text delves into topics such as perception, memory, imagination, and intellect, laying the groundwork for much of Western psychological and philosophical thought. It offers a detailed analysis of living beings, from plants to humans, examining what distinguishes them and how their souls function.