Who said the life so short the craft so long to learn?

Geoffrey Chaucer essentially quoted Hippocrates' famous "Ars longa, vita brevis, occasio praeceps, experimentum periculosum, iudicium difficile," applying it to the art of love in The Parliament of Fowls. The opening lines are: The life so brief, the art so long in the learning, the attempt so hard, the conquest so sharp, the fearful joy that ever slips away so quickly--by all this I mean love, which so sorely astounds my feeling with its wondrous operation, that when I think upon it I scarce know whether I wake or sleep. http://www.umm.Maine.edu/faculty/necastro/chaucer/translation/pf/pf.pdf