पूर्वे च प्रहरणकालाः कूटयुद्धहेतवः ॥ कZ_१०.३.२५ ॥
pūrve ca praharaṇakālāḥ kūṭayuddhahetavaḥ
পূৰ্বৰে (পূৰ্বনির্ধাৰিত) প্ৰহাৰ-সময়সমূহ কূটযুদ্ধৰ কাৰণ/আধাৰ হয়।
It separates open, declared battle from operations where timing is privately fixed for advantage—i.e., planning that relies on surprise and concealment rather than mutually agreed engagement.