The works of Ādi Śaṅkarācārya

Bṛhadāraṇyakopaniṣadbhāṣyam

Verse 67

स होवाच गार्ग्यो य एवासौ विद्युतिपुरुष एतमेवाहं ब्रह्मोपास इति स होवा-चाजातशत्रुर्मा मैतस्मिन्संवदिष्ठास्तेज-,स्वीति वा अहमेतमुपास इति स यएतमेवमुपास्ते तेजस्वी ह भवति तेज-स्विनी हास्य प्रजा भवति ॥ ४ ॥

In plain words

Gārgya said, 'The person who is here in lightning—him I worship as Brahman.' Ajātaśatru replied, 'Do not speak to me about him. I worship him as the radiant one.' Whoever worships him thus becomes radiant himself, and his progeny becomes radiant too.

Close to the Sanskrit

He said, Gārgya, who is this person in lightning, him indeed I worship as Brahman. He said to him, Ajātaśatru, do not converse with me about this. Radiant, thus indeed I worship him. He who thus worships him, he becomes radiant, and his progeny becomes radiant.