 In the last assessment, Śrīharṣa is happy to concede that the Upaniṣads—which literally proclaim that everything is non-distinct from the Brahman or the self—are the means of knowing non-duality. However, Śrīharṣa thinks that one cannot call Upanisadic testimony into question by appealing to perceptual evidence. The ordinary perceptual awareness of plurality, as we have already seen in  Section 3.2,  is incapable of defeating the awareness of non-duality that is generated by Upanisadic testimony. Neither can inference of any kind defeat that awareness of non-duality. For Śrīharṣa, this just shows that one cannot inquire further into the truth or the falsity of the doctrine of non-duality on the basis of evidence that is independent of Upanisadic testimony. As he puts it, 