仁王經疏 3.233

3.233

釋曰：第二、遍學方便。依《本記》云「俗中有真非證，真中有俗非不證。」有說：五乘中不取人天及二乘故非證，有大乘故非不證。如《成實論》，廣學諸異論，遍知聖者意。又《善戒經》，遍學五明論等，而不分別證不證。雖非證不證，而能學一切法。有本云「一切學」者謬。

Explanation: Second, the expedient means of universal learning. According to the Original Commentary: 'Within the conventional there is the real, which is non-realization; within the real there is the conventional, which is not non-realization.' Some say: Among the five vehicles, because one does not seize upon humans, gods, and the two vehicles, it is 'non-realization'; because there is the Great Vehicle, it is 'not non-realization.' As in the *Tattvasiddhi-śāstra*, one extensively studies various non-Buddhist treatises and universally understands the sage's intention. Also, the *Bodhisattvabhūmi* [says] that one universally studies the treatises on the five sciences and so forth, without discriminating realization and non-realization. Although it is neither realization nor non-realization, one is able to learn all phenomena. Some versions that read 'learning all' are in error.