法華玄贊義決 1.18

1.18

Ninth, demonstrating the nine divisions of scriptures, which were taught in order to lead toward the Great [Vehicle] and cause the abandonment of the expedient; hence the text below says: 'My teachings of these nine divisions are taught in accordance with sentient beings; entering the Mahāyāna is the foundation, and for this reason I teach this sūtra,' so that [beings] know the expedient, the partial, and the complete teachings.