But if it (the flesh) did not become of like nature with that (the deity), neither shall it ever become of like natural energy with that; that He may not be shown to have His energy unequal with His nature, and heterogeneous, and, through all that pertains to Himself, to have entered on an existence outside of His natural equality and identity, which is an impious supposition.
Reproduced in full. Translation: Ante-Nicene Fathers, vol. 5 (Roberts and Donaldson, 1886), public domain (Public domain).