BhārŚS, 14, 3, 5.2 yaṃ mitram āhur yam u satyam āhuḥ /

BhārŚS, 15, 4, 1.1 yatrainam āmantrayate brahman stoṣyāmaḥ praśāstar iti tat prasauti hiṃ deva savitar etat te prāha tat pra ca suva pra ca yaja bṛhaspatir brahmāyuṣmatyā ṛco mā gāta tanūpāt sāmnaḥ satyā va āśiṣaḥ santu satyā ākūtaya ṛtaṃ ca satyaṃ ca vadata stuta devasya savituḥ prasave /