नष्टमानसो त्कृष्टयोगिनः ।कृत्यमस्ति किं स्वस्थिते र्यतः ॥
नष्टमानस उत्कृष्टयोगिनः कृत्यम् अस्ति किम् स्वस्थितेः यतः
In plain words
His mind is gone — really gone, not resting. So what is he supposed to do now? Nothing. Not because doing is beneath him. Because the thing that used to want things done is not there.
Word for word
For the supreme yogi whose mind is destroyed, what act remains to be done, since he abides in himself?