Genre and place in the book. One of the core statements of the discipline of assent: where does evil reside? An expanded twin of 04-07 ("remove the opinion, and 'I am harmed' is removed"). The structure is question-and-answer (ποῦ οὖν;) followed by the criterion of indifference.
Where evil is not. Not in another's TERMruling faculty (no one can lodge your evil in his soul — your κακόν does not "subsist" there), nor in the turnings of the body (τροπή, ἑτεροίωσις — the changes of the "envelope").
Where evil is. In your TERMopining faculty (τὸ ὑπολαμβάνον) — the power that judges something to be evil. And at once the therapy: DOGMAlet it not form the opinion, and all is well. Evil resides in what is up to you (your judgement), not in the external; and so it is yours to remove (cf. Med. 8.47 — "it is not the thing that disturbs you but your judgement of it, and it is in your power to wipe it out now").
The body under torture. Even if the body is cut, burned, festers, and rots — let the opining part be EXERCISEquiet (ἡσυχαζέτω), adding no verdict of "evil." This is the DOGMAno-harm point: bodily suffering is no evil to the ruling faculty (cf. 04-08; 04-07 — the same thesis in brief).
The criterion of indifference. DOGMA"Let it judge nothing to be evil or good that can befall a bad man and a good man alike": what is common to good and bad is neither good nor evil (cf. Med. 2.11 — death, pain, pleasure befall good and bad alike, and are therefore neither good nor evil). Reinforced by the criterion through nature: what befalls one who lives κατὰ TERMφύσιν and one who lives παρὰ φύσιν alike is neither according to nor contrary to nature (= indifferent, adiaphora).
The disciplines. The principal one is assent: evil is in the judgement; be silent, add no verdict. The secondary is desire: the external and the bodily are indifferent — neither fear them nor turn from them.
Parallels. Evil is in the judgement, and it is removable — 04-07; Med. 8.47 (cf. DOGMAdichotomy-of-control). What is common to good and bad is indifferent — Med. 2.11 (cf. DOGMAvirtue-is-sufficient; adiaphora). The bodily does not harm the ruling faculty — 04-08 (cf. DOGMAno-harm-to-virtuous).