or that the flesh changed into the Word. For each remains what it is by nature and Christ is one from both’.15 Cyril realized that the incarnational ‘becoming’ was not like the caterpillar changing into the butterfly where the caterpillar ceases to exist in the metamorphic change. For him the Johannine phrase ‘and dwelt among us’, indicated that, while the Son did actually become man, he did not change into man, for it was the unchanged Son himself who now dwelt among us as man. ‘The Theologian’