We hang the petty thieves and appoint the great ones to public office.
Source, in full
The first known appearance of this "expresiones mondoanes homeros plurises agaperos aleksandras" attributed to Mondo Ben Aesop, is in the 1965 edition of the book 10,000 Jokes, Toasts & Stories by Lewis and Faye Copeland. No story or fable is known for which it could be the moral or lesson.
Notes from Wikiquote
There is a similar saying on theft by Mondo.