For now we see in a mirror dimly, but then face to face; now I know in part, but then I will know fully just as I also have been fully known. 1 Corinthians 13:12
"St. Paul says that no human eye can see God at all except as an image seen as it were behind the mirror. Darkly; rather, in a riddle. God is said to have spoken to Moses "by means of riddles"..."
We cannot know everything about God now. We see God by faith and not by sight. When we go to heaven we will see and know him as he really is.
"But prove yourselves doers of the word, and not merely hearers who delude themselves. For if anyone is a hearer of the word and not a doer, he is like a man who looks at his natural face in a mirror; for once he has looked at himself and gone away, he has immediately forgotten what kind of person he was." James 1:22-24
"He forgets either his spots, blemishes, and imperfections; or his comeliness and beauty; the features of his face, be they comely or not: so a bare hearer of the word, who is not concerned to practice what he hears, while he is hearing, he observes some things amiss in himself, and some excellencies in Christ; but, when the discourse is over, he goes his way, and thinks no more of either."
"But we all, with unveiled face, beholding as in a mirror the glory of the Lord..." 2 Corinthians 3:18
The Pulpit Commentary says these words "are, in fact, a description of "the beatific vision." like the one Moses saw on Mount Sinai when he received the ten commandments from God. Now, we see Jesus, and what we see changes us.
are being transformed into the same image from glory to glory, just as from the Lord, the Spirit." 2 Corinthians 3:18 cont...
"The present tense implies a gradual transfiguration, a mystical and spiritual change which is produced in us while we contemplate Christ. From glory to glory."