since it is unhindered by the body.

The Greek philosopher Aristotle wrote an influential treatise on the psyche, called in Greek ???? ????? (Peri Psyches), in Latin De Anima and in English On the Soul. In this work, he used the concept of the soul to explain certain functions. Since - for him - the soul is motion, it needs an explanatory principle for bodily motion. Aristotle's theory of the