The lyf so short, the craft so long to lerne,
Th'assay so hard, so sharp the conquering,
The dredful Ioy, that alwey slit so yerne,
Al this mene I by love, that my feling
Astonyeth with his wonderful worching
So sore y-wis, that whan I on him thinke,
Nat wot I
Chaucer, Geoffrey