成唯識論演祕 2.663

2.663

問：若所知因以破彼者，他亦以此因破大乘云：汝真如等非不離識無為自性；所知性故；如色、心等。此量亦應成真能破。

Question: If one refutes them with the reason 'being an object of knowledge' (jñeyatva), the opponent may also use this reason to refute the Mahāyāna, saying: Your Suchness and so forth are not unconditioned intrinsic natures that are not separate from consciousness; because of being objects of knowledge; just like matter, mind, and so forth. This logical formulation should also constitute a genuine refutation.