सांधिकं च भेदं प्रयुञ्जीत ॥ कZ_०९.६.५१ ॥
sāṃdhikaṃ ca bhedaṃ prayuñjīta
他应将离间与外交/缔约并用。
Diplomacy supplies cover and timing, while dissension weakens the adversary’s unity—together improving bargaining position and battlefield outcomes.