 Here is the translation of what Doc and Johnny Ringo are saying to  one another in Latin: Doc Holliday: In vino veritas. (In wine there  is truth.) Johnny Ringo: Age quod agis. (Do what you do.) Doc  Holliday: Credat Judaeus Apella, non ego. (Let Apella the Jew  believe, not I.) Johnny Ringo: Iuventus stultorum magister. (Youth  is the teacher of fools.) Doc Holliday: In pace requiescat. (May he  rest in peace.)