Dum loquimur, fugerit invida aetas: carpe diem, quam minimum credula postero. — “While we speak, envious time will have fled: pluck the day, trusting as little as possible in the next one.”
The famous tag is only the first two words of a longer clause; Horace’s full thought couples enjoying the present with distrust of the future.
✓Public domain
The displayed wording is Horace’s original Latin, written in 23 BC — ancient text in the public domain. (Any specific modern English translation, such as “seize the day,” may carry its own copyright, but the Latin tag itself does not.)
⚠ This reflects the original work, which is public domain. If your exact English wording comes from a specific modern translation, that translation may itself still be under copyright — check the edition you quote.