Our charms depart all on their own, so pluck the bloom.
For if you don't, it meets a wasted doom.
Nostra sine auxilio fugiunt bona; carpite florem,
Qui, nisi carptus erit, turpiter ipse cadet.
Qui, nisi carptus erit, turpiter ipse cadet.
Original text (Latin)
Notes from Wikiquote
Book III, lines 79–80 (tr. Len Krisak)