Abstract
The various schools of the Indian classical philosophy have discussed the issue how we understand the meaning from an utterance. In the present paper, I analyse the ancient controversy on this issue between two schools, Naiyāyikas and Vaiśeṣikas, and attempt to show that it has two aspects of religious and epistemological natures. Vaiśeṣikas, on the ground that the process of the verbal understanding is identical with that of the inference, claim that the verbal understanding is merely a type of the inference. Naiyāyikas oppose this and assert that the former is distinct from the latter. I summarise Vaiśeṣikas’ argument into two points: (1) the similarity of the objects of the cognition and (2) that of the relations between the object and what denotes it. Naiyāyikas rejects both thesimilarities. The above discussion, which may stimulate our epistemological interest, has a close connection with the issue of scriptures. The utterance as a source of knowledge seems to have stood, in the early period, only for the scriptures, as pointed out by Hiryanna. Taking this into consideration, Vaiśeṣikas’ thesis can be understood to imply that they deny the intrinsic authority of scriptures and reduce it to the rational faculty of human beings. Naiyāyikas also deny itsintrinsic authority, but their view on the cognitive process of the verbal understanding is different from that of Vaiśeṣikas. The reason of this divergence may lie in how they treat the reliability of the speaker in respect to the cognitive process.