Mandala 10, Hymn 181, Verse 1
प्रथ॑श्च॒ यस्य॑ स॒प्रथ॑श्च॒ नामानु॑ष्टुभस्य ह॒विषो॑ ह॒विर्यत् धा॒तुर्द्युता॑नात्सवि॒तुश्च॒ विष्णो॑ रथंत॒रमा ज॑भारा॒ वसि॑ष्ठः
"Vasishṭha mastered the Rathantara, took it from radiant Dhatar, Savitar, and Vishṇu, Oblation, portion of fourfold oblation, known by the names of Saprathas and Prathas."