यत्र बाह्या अभ्यन्तरानुपजपन्ति अभ्यन्तरा वा बाह्यान्तत्रोभययोगे प्रतिजपतः सिद्धिर्विशेषवती ॥ कZ_०९.५.०४ ॥
yatra bāhyā abhyantarān upajapanti abhyantarā vā bāhyān tatra ubhaya-yoge pratijapataḥ siddhir viśeṣavatī.
外の者が内を攪乱する、あるいは内の者が外を攪乱するところでは、内外両方の対抗策(対抗策謀)を併用すれば、対処の成功はとりわけ確実である。
Cross-domain threats require cross-domain response: domestic security and foreign operations must be synchronized to break the linkage between internal collaborators and external sponsors.