<p>On the Soul Aristotle - Written in 350 BC, Aristotles De Anima or On the Soul is not a work on spirituality, as the title would suggest, but rather a work that could be described as one of biopsychology, or a work on the subject of psychology from a biological perspective. Aristotles exposition centers on the soul. Aristotles soul however is not the same as the common modern spiritual conception of something distinct from the body that lives o...