In him was life; and the life was the light of men.
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Hilary of Poitiers
AD 368
Or it can be understood thus. In that he had said, without Him was not anything thing made, one might have been perplexed, and have asked, Was then any thing made by another, which yet was not made without Him? if so, then though nothing is made without, all things are not made by Him: it being one thing to make, another to be with the maker. On this account the Evangelist declares what it was which was not made without Him, viz. what was made in Him. This then it was which was not made without Him, viz. what was made in Him. And that which was made in Him, was also made by Him. For all things were created in Him and by Him. Now things were made in Him, because He was born God the Creator. And for this reason also things that were made in Him, were not made without Him, viz. that God, in that He was born, was life, and He who was life, was not made life after being born. Nothing then which was made in Him, was made without Him, because He was life, in Whom they were made; because God Who was born of God was God, not after, but in that He was born.