You may bring these words against Nestorius: for our Lord does not say, In Me is the light of the world, but, I am the Light of the world: He who appeared man, was both the Son of God, and the Light of the world; not, as Nestorius fondly holds, the Son of God dwelling in a mere man.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).