अग्निनिचयः (Agninichaya) / The Accumulation of Sacred Fire & the Classification of Pitṛs by Time-Order
संवत्सरसुतो ह्यग्नि ऋत इत्युच्यते बुधैः / ऋतात्तु ऋतवो यस्माज्जज्ञिरे ऋतवस्ततः
saṃvatsarasuto hyagni ṛta ityucyate budhaiḥ / ṛtāttu ṛtavo yasmājjajñire ṛtavastataḥ
Putra Saṃvatsara, yakni Agni, oleh para bijak disebut ‘Ṛta’ (tatanan suci). Dari Ṛta itulah musim-musim lahir; karena itu mereka disebut Ṛtavaḥ.