The text then, No man hath seen God at any time, applies not to the Father only, but also to the Son: for He, as Paul saith, is the Image of the invisible God; but He who is the Image of the Invisible, must Himself also be invisible.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: Hom. xvi. [xv.] 1.