Full Idea
Is health a good and sickness an evil? No. Health is good when used well, and bad when used ill.
Gist of Idea
Health is only a good when it is used well
Source
Epictetus (The Discourses [c.56], 3.20.04)
Book Reference
Epictetus: 'The Discourses, The Handbook, Fragments', ed/tr. Gill,C [Everyman 1995], p.185
A Reaction
Although I like the idea that health is a natural value, which bridges the gap from facts to values (as a successful function), there is no denying that the health of very evil people is not something the rest of us hope for.