宗鏡錄 63.27

63.27

又小乘都申一難。若唯識無外境者。由何而得種種心生。既若無境牽生心。即妄心由何而起。未有無心境。曾無無境心。

Furthermore, the Hīnayāna collectively raises an objection: If there are no external objects in vijñaptimātra, from what are the various states of mind produced? If there are no objects to induce and generate the mind, from what does the false mind arise? There has never been an object without a mind, nor has there ever been a mind without an object.