Kural - 734

That is a 'land' whose peaceful annals know,
Nor famine fierce, nor wasting plague, nor ravage of the foe

Explanation
A kingdom is that which continues to be free from excessive starvation, irremediable epidemics, and destructive foes.

Tamil Transliteration
Urupasiyum Ovaap Piniyum Serupakaiyum
Seraa Thiyalvadhu Naatu.