For a more "cosmopolitan" or intellectual subtitle, you could use a piece of the Latin duel between Doc and Ringo: In vino veritas ("In wine there is truth"). In pace requiescat ("Rest in peace").
" Behold, a pale horse. " Johnny Ringo quotes Revelations, which Doc Holliday later completes during their showdown: "And hell followed with him". subtitle Tombstone
" Wyatt Earp is my friend. " Doc's simple but powerful justification for his loyalty. For a more "cosmopolitan" or intellectual subtitle, you
" Justice is coming. " This captures the "vendetta ride" portion of the film as Wyatt Earp tracks down the Cowboys. Real-Life Inspiration " Johnny Ringo quotes Revelations, which Doc Holliday
If you are referring to an actual inscription for a physical tombstone, historical figures from the era often had distinctive epitaphs. For example, the real monument includes the humorous and surprisingly peaceful observation, " He died in bed ".