सुकरो हि मित्रेण संधिः नामित्रेणेति ॥ कZ_०९.६.१३ ॥
sukaro hi mitreṇa saṃdhiḥ nāmitreṇeti
与朋友缔结盟约(saṃdhi)确实容易;与敌人则不然。
Treaties are operationally reliable when concluded with a proven ally; concluding them with an enemy is inherently difficult and risk-prone.