 Thus, man’s actions belong to different levels according to the different forms found in man: physical, animal and spiritual. The latter are specific to man; we can know which actions are most appropriate to man only if we know what is his essence, namely, his most excellent form. Therefore, Avempace accompanies his Regimen sanitatis with a following Treatise on the spiritual forms, lengthier than the former. Steven Harvey already insisted that his epistemology allows us to understand his attitude about politics, and that is not something accidental (Harvey 1992: 212). Avempace assigns the term “spiritual” to the soul insofar as it is “a moving soul”. This may be too broad a definition, but he then specifies the various kinds of “spiritual forms”—all having the capacity to move: