Arthashastra

siva.sh/arthashastra/sadgunya/13/9

असौ हि दुर्ग प्रतिहतः पार्ष्णि ग्राहे च प्रतिनिवृत्तः स्थितेन अमित्रेण अवगृह्यते ॥

sanskrit

but not one who has marched out against an entrenched enemy, for one who has marched out against an entrenched enemy will be repelled in his attack against the enemy's forts and will, after his return, find himself between the rear-enemy, and the frontal enemy who is possessed of strong forts.

english translation

asau hi durga pratihataH pArSNi grAhe ca pratinivRttaH sthitena amitreNa avagRhyate ॥

hk transliteration by Sanscript

siva.sh/arthashastra/sadgunya/13/9

असौ हि दुर्ग प्रतिहतः पार्ष्णि ग्राहे च प्रतिनिवृत्तः स्थितेन अमित्रेण अवगृह्यते ॥

sanskrit

but not one who has marched out against an entrenched enemy, for one who has marched out against an entrenched enemy will be repelled in his attack against the enemy's forts and will, after his return, find himself between the rear-enemy, and the frontal enemy who is possessed of strong forts.

english translation

asau hi durga pratihataH pArSNi grAhe ca pratinivRttaH sthitena amitreNa avagRhyate ॥

hk transliteration by Sanscript