Which indeed is true so far, that no bodily or even mental vision of man hath ever embraced the fulness of God; for it is one thing to see, another to embrace the whole of what thou seest. A thing is seen, if only the sight of it be caught; but we only see a thing fully, when we have no part of it unseen, when we see round its extreme limits.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: to Paulina c. 7