Sarvastivada's an early school of Buddhism that held to 'the existence of all dharmas in the past, present and future, the 'three times'. The Abhidharma, a later text, states: Origination and history According to scholar Charles Prebish, There's a great deal of mystery surrounding the rise and early development of the Sarvastivadin school. On the one had, we've the tradition of Asoka’s council, stating that the schismatic group in the Sangha was expelled from Magadha, migrating to northwes… (More on Sarvastivada)