 The soul is an eternal and independent immaterial substance for Mulla Sadra. It is separate from (but attached to) the body and is the true bearer of identity (Mulla Sadra 2004: 467). As we saw above in the doctrine of substantial motion, the soul is on the path of perfection towards simplicity and unity and its reversion to its origins in the One. In itself the soul is eternal and incorruptible and does not die with the body but reverts to its origins with the One (Mulla Sadra 2004: 515). Where does the soul come from? Given the Neoplatonic influence on Mulla Sadra, one would expect him to insist upon the pre-existence of the soul and various texts are adduced in favour of such a position. However, he makes a distinction between the species ‘soul’ which he calls the ‘Adamic soul’ and the individual human soul. The basic problem with allowing for the pre-existence of the individual soul is that it potentially opens the way for a belief in metempsychosis which he rejects, as we shall see. In the Wisdom of the Throne, he argues for the pre-existence of the human soul as a category: