Aitareyabrahmana 4.3.p2

4.3.p2

iv. 15 (xviii. 1). They proceed with the Stomas, Jyotis, Go, and Āyus; the Jyotis is this world, the Go the atmosphere, the Āyus yonder world. There is the same second set of three days; there are three days, Jyotis, Go, and Āyus; there are three, Go, Āyus, and Jyotis. The Jyotis is this world, the Jyotis is yonder world. These two Jyotis (days) look together on both sides; thereby they proceed with this set of six days with a Jyotis on either side. In that they proceed with this set of six days with a Jyotis on either side, verily thus they continue to find support on both sides in these two worlds; in this world and in that world, both. The Abhiplava Saḍaha is a circling wheel of the gods. The Agniṣṭomas on the two sides of it are the felloes; the four Ukthyas in the middle are the nave. He goes with it turning wherever he desires; thus in safety he attains the other side of the year who knows thus. He, who knows the first set of six days, in safety attains the other side of the year; (so) he who knows the second, he who knows the third, he who knows the fourth, he who knows the fifth.