 Man has to organize his various faculties—from the rational to the nutritive—and there are categories of men according to the prevalence of each of the three faculties. In some of them, corporeality prevails; in a select few, spirituality does. Avempace counts some ascetics and Sufis among the latter—but for most, the situation is mixed. Man is moved by spiritual forms that may be as basic as clothing, housing or food. Clothing, for instance, acts on two levels, the protective and the ornamental. Virtues are attached to the spiritual forms found in the imaginative faculty because the purpose of virtuous actions is generating positive feelings and admiration in the souls of those who see them. The spirituality of most men is, however, limited to particular forms. Only philosophers attain the highest degree of spirituality, the immaterial and universal intelligibles. Although philosophers have to take due care of the corporeal and particular spiritual forms in order to live, and live honorably, their main concern is the universal separated forms: