The works of Ādi Śaṅkarācārya

Taittirīyopaniṣadbhāṣyam

Verse 23

नामानन्दः ।श्रोत्रियस्य चाकामहतस्य ।ते ये शत पितॄणा चिरलोकलोकानामानन्दा ।स एक आजानजाना देवानामानन्दः ॥ २ ॥

In plain words

This bliss belongs to the Vedic scholar whose heart is untouched by desire. One hundred times the joy of the ancestral worlds equals a single measure of joy enjoyed by the gods.

Close to the Sanskrit

Of the Vedic scholar and of one unsmitten by desire. Those which are a hundred blisses of the ancestors of enduring worlds, that is one bliss of the gods born by origin. Two.