The works of Ādi Śaṅkarācārya

Chāndogyopaniṣadbhāṣyam

Verse 352

स यः स्मरं ब्रह्मेत्युपास्ते यावत्स्मरस्यगतं तत्रास्य यथाकामचारो भवति यःस्मरं ब्रह्मेत्युपास्तेऽस्ति भगवः स्मराद्भूयइति स्मराद्वाव भूयोऽस्तीति तन्मे भग-वान्ब्रवीत्विति ॥ २ ॥

In plain words

Whoever meditates on memory as Brahman attains unhindered freedom as far as memory extends. 'Is there anything greater than memory, revered sir?' 'Indeed, there is something greater than memory. Please explain that to me, revered sir.'

Close to the Sanskrit

He who meditates upon memory as Brahman,—as far as the reach of memory goes, so far he has unhindered freedom. He who meditates upon memory as Brahman: 'Is there, revered sir, anything greater than memory?' 'Indeed, there is something greater than memory; that, revered sir, let the blessed one explain to me.'