सत्यं शपथो वा चलः संधिः प्रतिभूः प्रतिग्रहो वा स्थावरः इत्याचार्याः ॥ कZ_०७.१७.०३ ॥
satyaṃ śapatho vā calaḥ saṃdhiḥ pratibhūḥ pratigraho vā sthāvaraḥ ityācāryāḥ
師たちは言う。「可変/条件付き」の条約は誠実さまたは誓いによって担保され、「固定/永続」の条約は保証人または質(担保)の受領によって担保される。
Cala treaties rely on moral commitment (truth/oath) and are easier to revise or break; sthāvara treaties rely on enforceable securities (guarantor/pledge) and are harder to violate.