खनकाकाशयोधिभ्यः खनकेभ्यो भूमिलाभः श्रेयान् ॥ कZ_०७.१०.३६ ॥
khanakākāśayodhibhyaḥ khanakebhyo bhūmilābhaḥ śreyān
Entre los mineros y los «combatientes del cielo», la conquista de terreno se logra mejor mediante los mineros.
Because engineering methods (tunneling, undermining, breaching) convert effort into durable territorial control and positional advantage, not merely momentary assault success.