1 Cor 13, 9 For we know in part, and we prophesy in part. 10 But when that which is perfect is come, then that which is in part shall be done away. 11 When I was a child, I spake as a child, I understood as a child, I thought as a child: but when I became a man, I put away childish things. 

1 Cor 13, 12 For now we see through a glass/in a mirror, darkly [Greek: in a parable]; but then face to face: now I know in part; but then shall I know even as also I am known. 

13 And now abideth faith, hope, agape/love, these three; but the greatest of these is agape/love.

To engrave the fleshy stones of our heart, see also In thy light shall we see light:

2 Cor 3, 18 But we all, with open face beholding as in a glass/to behold one’s self in a mirror/to make to reflect the glory of the Lord, are changed into the same image from glory to glory, even as by the Spirit of the Lord. 

To not be deceived, or deceive ourselves, the true resemblance:

Jam 1, 23 For if any be a hearer of the word, and not a doer, he is like unto a man beholding his natural face in a glass/mirror: