The human soul was divided by Chrysippus into eight faculties: the five senses, the power of reproduction, the power of speech, and the "ruling part" that is located in the chest rather than the head.
Själen delades av Krysippos i åtta avdelningar: de fem sinnena, fortplantningsförmåga, talförmåga och den "styrande delen" (som hade säte i bröstet, snarare än i huvudet).