Mind and Speech quarrel over which is better and go to Prajapati. He rules for Mind, since Speech imitates and follows it. Dismayed, Speech declares she will not be his oblation-bearer, which is why what is done for Prajapati at the sacrifice is done in a low voice.
The Satapatha-Brahmana, tr. Julius Eggeling (Sacred Books of the East 12, 41) § 1.4.5.8-12
Sources: The Satapatha-Brahmana, tr. Julius Eggeling (Sacred Books of the East 12, 41)
The Adityas outwit the Angirases with a same-day Soma sacrifice, make them their priests, and pay them with the sun as a white horse.
Speech is the price paid to the Gandharvas for Soma, and returns to the gods because they sing.
Speech walks out on the gods, hides in the waters and the trees, and on another occasion becomes a lioness.
A hymn portrait of Vac from Rigveda 10.125, with what Rigveda 10.71, 8.100 and 1.164 say of her.
The gods tell Yajna, the Sacrifice, to beckon Vac.
Before the gods there are only the primordial waters.
Prajapati gives his daughter Surya Savitri to King Soma; all the gods come as groomsmen.
Sent by the gods through Agni, three mortal brothers turn Tvashtri's single cup into four and win a share of Soma.