PERPETUALLY &c. adj.; always, ever, evermore [archaic], aye; forever, for aye, forevermore, forever and a day, forever and ever; forever and aye, in all ages, from age to age; without end; world without end, time without end; in secula seculorum [L.]; to the end last syllable of recorded time [Macbeth]; till doomsday; constantly &c. (very frequently) [See Frequency].
QUOTATIONS:
Esto perpetuum.
Labitur et labetur in omne volubilis ævum.Horace
But thou shall flourish in immortal youth.Addison