How do you say “You only live once” in Ancient Greek? Literal translation—and for a change, I’m ok with that: ἅπαξ μόνον βιοῖς. Hápax mónon bioîs. Answered 2017-01-25 [Originally posted on http://quora.com/How-do-you-say-You-only-live-once-in-Ancient-Greek/answer/Nick-Nicholas-5]