Plotinos: Complete Works, v. 2 In Chronological Order,...

28. Enough of this. Let us return to the question from which we digressed. We granted that the desires, pains and pleasures (considered not only as sentiments, but as passions), originate in the constitution of the organized and living body. Must the same origin be assigned to the irascible (power)? Were this so, we would have several questions to ask: Does anger belong to the entire organism, or only to a particular organ, such as the heart when so disposed, or to the bile, as long as it is part of a living body? Is anger different from the principle which gives the body a trace of the soul, or is it an individual power, which depends on no other power, whether irascible or sensitive?