My focus fades in and out, and at times my understanding is so very dim, but then I have the promise of this verse. It encourages me.

1 Corinthians 13:12

For now we see in a mirror dimly, but then face to face. Now I know in part; then I shall know fully, even as I have been fully known.
Bible Gateway link: 1 Corinthians 13:12 (ESV)