पणितः कल्याणबुद्धिमनुगृह्णीयात् अन्यथा विक्रमेत ॥ कZ_०७.७.२१ ॥
paṇitaḥ kalyāṇabuddhimanugṛhṇīyāt anyathā vikrameta
After bargaining, he should favour and support one who shows benevolent intent; otherwise, he should proceed with energetic action (pressure/force).
If the other party demonstrates good intent, support them; if not, shift to vigorous measures.
To make cooperation contingent on observable alignment, and to keep escalation as a credible fallback.