瑜伽論記 19.439

19.439

又遣真實性故說真實無性性，何故瑜伽論云：真如不由無自性性，說無自性。是故世尊依此密意，於伽他中，說如是言：我說一諦，更無第二。

Furthermore, if it were because of eliminating the real nature that it is spoken of as the nature of the real non-nature, why does the Yogācārabhūmiśāstra state: 'Tathatā is not spoken of as having no intrinsic nature by virtue of lacking its own intrinsic nature. Therefore, the World-Honoured One, relying on this implicit intention, spoke thus in a gāthā: "I teach one truth, and no second."'?