Who said "Even a fever can be done well."?

Epictetus (c. 50–135 AD). Source: Discourses 3.10.12.

What is the original Greek?

ἂν καλῶς πυρέξῃς, ἔχεις τὰ τοῦ πυρέσσοντος. Translated from the original Greek by Spartan Surfers.

Even a fever can be done well.

Epictetus, Discourses 3.10.12

The source

"Even a fever can be done well." Epictetus said it in Discourses 3.10.12. Translated from the original Greek by Spartan Surfers.

"ἂν καλῶς πυρέξῃς, ἔχεις τὰ τοῦ πυρέσσοντος."

Original Greek, Discourses 3.10.12. Greek: Schenkl 1916 (Teubner) via Perseus.

Who said it

Epictetus (c. 50–135 AD). Born enslaved, became the most influential Stoic teacher of his age. His student Arrian wrote down the Discourses and the Enchiridion.

Questions

Who said "Even a fever can be done well."?: Epictetus (c. 50–135 AD). Source: Discourses 3.10.12.
What is the original Greek?: ἂν καλῶς πυρέξῃς, ἔχεις τὰ τοῦ πυρέσσοντος. Translated from the original Greek by Spartan Surfers.