तैर्मन्त्रयमाणो हि मन्त्रसिद्धिं गुप्तिं च लभते इति ॥ कZ_०१.१५.३१ ॥
tair mantrayamāṇo hi mantrasiddhiṃ guptiṃ ca labhate iti
彼らと協議することによって、助言の成就(有効な決断)と秘匿の双方を得る—といわれる。
Mantrasiddhi (effective counsel leading to success) and gupti (secrecy).
That this is a cited opinion/position in the debate, which Kautilya may accept or reject next.