The works of Ādi Śaṅkarācārya

Chāndogyopaniṣadbhāṣyam

Avatarika

Avatarika

तत्र अक्षरविज्ञानवत कर्म कर्तव्यमिति स्थितमाक्षिपति—

In plain words

At this point, an objection is raised against the established view that ritual action must be performed even by one who knows the imperishable.

Close to the Sanskrit

There, regarding the settled view that action is to be performed by one who possesses knowledge of the imperishable, he raises an objection.