पणितस्तस्यापकारसमर्थो विक्रमेत अन्यथा संदध्यात् ॥ कZ_०७.७.१९ ॥
paṇitas tasyāpakārasamartho vikrameta anyathā saṃdadhyāt
When bargaining, if one can credibly harm him, one should press forward; otherwise, one should conclude a settlement.
They frame a recurring leverage test: coercion is justified only when enforceable; otherwise, settlement is the rational policy.