परस्परसाधका हि शक्तिदेशकालाः ॥ कZ_०९.१.३३ ॥
parasparasādhakā hi śakti-deśa-kālāḥ
परस्परसाधका हि शक्तिदेशकालाः।
Do not decide on war by strength alone; align resources with terrain and season so each factor amplifies the others.