In view of the fact that Kumaraju attached importance to Hoke-kyo sutra, Makahannya haramikyo sutra and Daichidoron, it can be said that the foundation of the Tendai Sect was triggered by Kumaraju.
羅什が法華経・摩訶般若波羅蜜経・大智度論を重要視していたことを考えると、天台宗設立の契機は羅什にあるといえなくもない。