Kural - 577

Eyeless are they whose eyes with no benignant lustre shine;
Who've eyes can never lack the light of grace benign

Explanation
Men without kind looks are men without eyes; those who (really) have eyes are also not devoid of kind looks.

Tamil Transliteration
Kannottam Illavar Kannilar Kannutaiyaar
Kannottam Inmaiyum Il.