Our teacher, the fourth guide of this fortunate eon, the incomparable lord of sages, Sakyamuni, gave infinite teachings
as means to enter the Dharma
of the causal and resultant vehicles, in accordance with the particular temperaments, spiritual faculties, and attitudes of disciples. Nevertheless, they may all be included within the three vehicles, which, in turn, may be further subdivided into nine successive stages.
The General Sutra
The ultimate definitive vehicle
Certainly appears as three in number: