यः सत्यसंधः शक्तः कर्मणि फलावाप्तौ चानुग्रहीतुं विनिपाते च त्रातुं तत्र प्रतिजापः कार्यः तर्कयितव्यश्च कल्याणबुद्धिरुताहो शठ इति ॥ कZ_०९.३.३७ ॥
yaḥ satyasaṃdhaḥ śaktaḥ karmaṇi phalāvāptau ca anugrahītuṃ vinipāte ca trātuṃ tatra pratijāpaḥ kāryaḥ tarkayitavyaś ca kalyāṇabuddhiḥ utāho śaṭha iti
約束に誠実で、行動においても成果の獲得においても(他者を)助け、さらに逆境では救うことのできる者がいるところでは、相互の保証(pratijāpa)を交わすべきである。また、彼が善意の持ち主か、それとも欺く者かを見極めねばならない。
A mutual guarantee mechanism—reciprocal commitments that bind both parties and reduce opportunism in alliance or cooperation.
Because capability plus access can be dangerous; the state must pair partnership with due diligence to prevent strategic betrayal.
Contract with the reliable, but verify intent: reciprocal guarantees plus continuous assessment prevent alliance risk.