Śatapatha Brāhmaṇa ("of a hundred paths") 4.4.2.8

4.4.2.8

taddhaike | āgnīdhrīye punarāghārayantyudagna idaṃ karmānusaṃtiṣṭhātā iti tadu tathā na kuryānmārjālīya evottamam

Now some make a second pouring on the Âgnîdhrîya hearth, thinking, 'In the North (or upwards) shall this sacred work of ours be accomplished!' but let him not do it in this way, but rather the Mârgâlîya last.