Chāndogya Upaniṣad 4.2.2

4.2.2

raikvemāni ṣaṭ śatāni gavām ayaṃ niṣko 'yam aśvatarīrathaḥ \
anu ma etāṃ bhagavo devatāṃ śādhi yāṃ devatām upāssa iti \\402.2\

1. Then Jānaśruti, the great-grandson [of Janaśruta], took six hundred cows and a gold necklace and a chariot drawn by a she-mule, and went back to him. He said to him: 'Raikva, here are six hundred cows, and here is a gold necklace, and here is a chariot drawn by a she-mule. Now, Sir, teach me that divinity—the divinity which you reverence.'