A R R 142 AN INTRODUCTION TO SUFI DOCTRINE it is the irradiation which actualises the predisposition of the heart; it is the irradiation which gives to the spiritual state its intelligible quality. It is, says Ibn ‘Arabi, “evident by itself” for it affirms itself imme- diately and positively in the spiritual state as a divine “aspect” or “Name,” whereas the predisposition as such remains—as our author puts it in his Wisdom of the Prophets (the chapter on Seth)—‘ the most hidden thing there is.” According to this latter aspect of things there is thus nothing in the heart’s receptivity which is not response to the divine irradiation or revelation, the lightning flashes of which it intermittently receives. These flashes vary according to the different *“ aspects or “Names” of God and the process is never exhausted either on the side of the divine irradiation, which is essentially inexhaustible, or on the side of the primor- dial plasticity of the heart. Ibn ‘Arabi himself takes his stand alternately at one or other of these points of view. On the one hand he affirms that the divine ““content’’ of illumination cannot be grasped and that only the receptive ““ form > of the heart—a “form > which unfolds itself starting from the basic predisposition of the being in question—imparts its quality or “colour” to the irradiation. On the other hand he says that the “form’’ the heart takes on in contemplation of God is wholly wedded to the modes of the irradiation. What the recipient can impose on the divine irradiation is in fact only a limitation, and this limitation is nil compared with its qualitative