Deletion of As a dog returns to his vomit, so a fool repeats his folly

Comment: per Cúchullain, Col. Warden, and Eppee. It easily passes  -- it's |well-sourced, it's cited in ancient sources, and has been cited widely even into the 21st Century.  |We have lots of odd articles, and this fits right in with those
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG||WP:RS||WP:ODD)