Kural - 574

The seeming eye of face gives no expressive light,
When not with duly meted kindness bright

Explanation
Beyond appearing to be in the face, what good do they do, those eyes in which is no well-regulated kindness ?.

Tamil Transliteration
Ulapol Mukaththevan Seyyum Alavinaal
Kannottam Illaadha Kan.