Rigvidhana 2.2.11

2.2.11

hatvā tad dhanam anvicchet kim te kṛṇvanti iti smaran./
indrā parvata iti sūktam āyuṣyam drāviṇam smṛtam.//

he should seek his wealth after striking him down, remembering [the verse], "Kiṃ te kṛṇvanti" ("What do they do for thee"). / The hymn, "Indrāparvatā" ("O Indra and Parvata"), is traditionally taught to bring long life and wealth.