It is generally said, "Past labors are pleasant," Euripides says,
for you all know the Greek verse, "The recollection of past
labors is pleasant."
[Lat., Vulgo enim dicitur, Jucundi acti labores: nec male
Euripides: concludam, si potero, Latine: Graecum enim hunc
versum nostis omnes: Suavis laborum est proeteritorum memoria.
— Cicero (Marcus Tullius Cicero)
Labor