ताभ्यां बहुगुणविशिष्टे लाभे यायात् ॥ कZ_०९.४.०३ ॥
tābhyāṃ bahu-guṇa-viśiṣṭe lābhe yāyāt.
On ne doit avancer (supporter ces pertes/dépenses) que vers un gain qui se distingue par un avantage multiple par rapport à elles.
Do not spend men or material unless the expected gain is decisively larger—i.e., a clear surplus after accounting for attrition and resource depletion.