On explanation of the theory of testimony, someone is a trustworthy authority when that person has direct knowledge of some fact and has a desire to communicate that fact.

Question

On explanation of the  theory of testimony, someone is a trustworthy authority when that person has direct knowledge of some fact and has a desire to communicate that fact.

Quizplus · Accepted Answer

Vātsyāyana, in his commentary on the Nyāya Sūtras, explains that for someone to be considered a trustworthy authority (āpta), they must have direct knowledge of the fact (pratyakṣa) and must also have the desire to communicate that fact truthfully.

O Explanation of the Theory of Testimony, Someone Is