唯識二十論述記 1.268

1.268

述曰：外人既聞諸法皆空，說唯識教，自下設難，此牒大乘義，下方申正難。若能了知一切諸法一切皆無，得入於法無我理者。

The Commentary says: The opponent, having heard that all phenomena are completely empty and that the teaching of vijñapti-mātra is taught, sets forth an objection below. Here he cites the Mahāyāna doctrine, and below he presents the actual objection: 'If, by being able to understand that all phenomena are completely non-existent in every respect, one is able to enter into the principle of the selflessness of phenomena,'