Answer:
Cyril of Jerusalem.
Step-by-step explanation:
Cyril of Jerusalem is the source of this quote. Cyril of Jerusalem was a theologian who is now venerated as a saint by some churches. This quote is part of The Epistle of Cyril to Nestorius with the XII. Anathematisms. He is saying that it is not right to see Jesus Christ as two different men. He is like us, body and flesh and is still God.