大乘起信論裂網疏 4.105

4.105

Next is contemplating that unconditioned phenomena are unestablished. Physical form and mind arising, abiding, changing, and ceasing in thought after thought are called conditioned phenomena. In contrast to this conditioned [existence], that name 'unconditioned' is provisionally established. Conditioned [phenomena] cannot even be found, and unconditioned [phenomena] are merely subsumed under the dharmadhātu among the eighteen dhātus, being projected images cognized by the sixth consciousness. How could there be an actual eternal phenomenon apart from physical form and mind called 'unconditioned'?