मित्रव्यञ्जनो वा ब्रूयादेतान् चित्तज्ञानार्थमुपधास्यति वो राजा तदस्याख्यातव्यमिति ॥ कZ_०९.५.२७ ॥
mitravyañjano vā brūyād etān cittajñānārtham upadhāsyati vo rājā tad asyākhyātavyam iti
あるいは「友人を装う者」(友人に見せかけた密偵)がこう言うべきである。「王はお前の心中を知るために試すだろう。お前は(自分の返答を)王に報告せよ。」
An intermediary lowers suspicion and elicits more candid reactions, producing better signals of true intent and loyalties.
It reduces information asymmetry about elites/officials and helps preempt betrayal by detecting predispositions early.