он посмотрел на себя, отошёл и тотчас забыл, каков он.
and, after looking at himself, goes away and immediately forgets what he looks like.
For he looks at himself and goes away and at once forgets what he was like.
for once he has looked at himself and gone away, he has immediately forgotten what kind of person he was.
You see yourself, walk away, and forget what you look like.
For he beholdeth himself, and goeth his way, and straightway forgetteth what manner of man he was.
for he observes himself, goes away, and immediately forgets what kind of man he was.
for he has considered himself and is gone away, and straightway he has forgotten what he was like.