The Race of Devas1 - Verse 41-42

Hence he is fatherly soma of the nature of Rk, *‘*He is one! he is many”—Bd. P. ibid. V. 125. 222 Vayu Purana Yajur and Saman. He is the propeller of all the activities of all creatures through the working of vital airs such as Prana, Apana, Samana, Vyana, Udana.