 Distinguish between this condition and the first condition, because the first condition has set down [as the condition] the principle of the substance, man, whereas here the substance is set down with a description which attaches to the substance, moving thing; the moving thing has a substance and an essence (jawhar) to which movement and non-movement attach; but man and black are not like that (Avicenna Ishârât [1971] 264–266).