唯識二十論述記 1.120

1.120

述曰：次解處、時俱定之理，以一夢喻，喻二理成故。此最初說如夢中無實境也。然今論師，解四外難，非正當難，以祛外疑，舉世現事，返質外人，傍解前難，此夢境無。經部、大乘，彼此共許，故以為喻。

Commentary: Next is the explanation of the principle that place and time are both determined, because a single dream simile establishes both principles. Here it first speaks of there being no real object as in a dream. Now, this master of the treatise, in resolving the four external objections, does not directly confront the objections; rather, to dispel external doubts, he adduces everyday occurrences in the world to cross-examine the opponent, thereby indirectly resolving the preceding objections. That this dream object is absent is mutually accepted by both Sautrāntika and Mahāyāna, and is therefore used as an example.