Bear in mind, that if through toil you accomplish a good deed, that toil will quickly pass from you, the good deed will not leave you so long as you live; but if through pleasure you do anything dishonourable, the pleasure will quickly pass away, that dishonourable act will remain with you for ever.
Notes from Wikiquote
John C. Rolfe, ed. The Attic Nights of Aulus Gellius, Vol. 3, LCL 212 (1928), p. 131