40. What ambiguity is there here? What is omitted that the consciousness of a sincere faith could suggest? He does not spring from things non-existent: therefore His origin has existence. There is no other substance extant to be His origin, but that of God: therefore nothing else can be born in Him but all that is God; because His existence is not from nothing, and He draws subsistence from no other source. He does not differ in time: therefore the Son like the Father is eternal. And so the Unborn Father and the Only-begotten Son share all the same qualities. They are equal in years, and that very similarity between the sole-existing paternal essence and its offspring prevents distinction in any quality.