nīrūpasya hi vijñānarūpahānau pramāṇatā / na yujyate prameyasya sā hi saṃvittilakṣaṇā //
For what is featureless, when lacking the form of consciousness, cannot properly have the status of a means of cognition [pramāṇa], as this [status] consists in the apprehension of the object to be cognized.