Mandala 10, Hymn 22, Verse 1
कुह॑ श्रु॒त इन्द्रः॒ कस्मि॑न्न॒द्य जने॑ मि॒त्रो न श्रू॑यते ऋषी॑णां वा॒ यः क्षये॒ गुहा॑ वा॒ चर्कृ॑षे गि॒रा
"WHERE is famed Indra heard of? With what folk is he renowned to-day as Mitra is,– Who in the home of R̥ishis and in secret is extolled with song?"