खनका हि खातेन शस्त्रेण चोभयथा युध्यन्ते शस्त्रेणैवाकाशयोधिनः ॥ कZ_०७.१०.३७ ॥
khanakā hi khātena śastreṇa cobhayathā yudhyante śastreṇaivākāśayodhinaḥ
খনকসকল দুটা ধৰণে যুদ্ধ কৰে—খনন কৰি আৰু অস্ত্ৰেৰে; ‘আকাশ-যোদ্ধা’সকল কেৱল অস্ত্ৰেৰে যুদ্ধ কৰে।
Choose instruments that offer multiple avenues to the objective (redundancy and versatility), thereby reducing dependence on a single mode of success.