成唯識論演祕 1.573

1.573

我執初從大起之際，名為轉異，亦如世間蘇油等瓶，日炙津生，我從大生義同於此，名為絹織。或轉異者，說彼大也，以言初故，大從自性轉異有故。

When the I-maker first arises from mahat, it is called transformation, just like jars of ghee and oil in the worldly realm whose moisture oozes out when baked by the sun; the arising of the self from mahat has an identical meaning to this, being called silk-weaving. Alternatively, 'transformation' refers to that mahat, because it says 'first'—since mahat exists through transformation from the primordial nature.