Full Idea
Disease makes health pleasant and good, hunger makes satisfaction good, weariness makes rest good.
Gist of Idea
Health, feeding and rest are only made good by disease, hunger and weariness
Source
Heraclitus (fragments/reports [c.500 BCE], B111), quoted by John Stobaeus - Anthology 3.1.178
Book Reference
'Ancilla to the Pre-Socratic Philosophers', ed/tr. Freeman,Kathleen [Harvard 1957], p.32