Kural - 745

Impregnable, containing ample stores of food,
A fort for those within, must be a warlike station good

Explanation
A fort is that which cannot be captured, which abounds in suitable provisions, and affords a position of easy defence to its inmates.

Tamil Transliteration
Kolarkaridhaaik Kontakoozhth Thaaki Akaththaar
Nilaikkelidhaam Neeradhu Aran.