Abstract

This paper examines the divergent accounts of generation in Physics I and On Generation and Corruption. While the former concerns an unqualified and absolute generation of substance from not-substance, the latter describes the unqualified and simple generation of the elements from each other. In each of these texts, an unusual instance of ὀρέγεσθαι appears in Aristotle’s analysis, regarding the unqualified generation of substance at Phys. I 9, 192a18 and 19, and the cyclical transformation of the elements at GC II 10, 336b28. These passages employ the verb consistently, suggesting that generation involves an ambiguous ontological desire. Such orectic striving differs greatly from human or other animal striving for some good. The accounts of generation in these texts are developed in order to emphasize both the distinction between the two processes and the significance of ontological desire to unqualified generation in its strongest sense