維摩經玄疏 1.91

1.91

First, clarifying the characteristics of the four siddhāntas giving rise to the twelve divisions of sūtras: this has four points: first, clarifying that the worldly siddhānta gives rise to the twelve divisions of sūtras; second, clarifying that the individual siddhānta gives rise to the twelve divisions of sūtras; third, clarifying that the therapeutic siddhānta gives rise to the twelve divisions of sūtras; fourth, clarifying that the paramārtha siddhānta gives rise to the twelve divisions of sūtras.