Collige, virgo, rosas, dum flos novus et nova pubes, et memor esto aevum sic properare tuum.
O maid, while youth is with the rose and thee, Pluck thou the rose: life is as swift for thee. "De Rosis Nascentibus", line 49; translation from Helen Waddell Mediaeval Latin Lyrics ([1929] 1943) p. 29.