Kural - 1198

Who hear from lover's lips no pleasant word from day to day,
Yet in the world live out their life,- no braver souls than they

Explanation
There is no one in the world so hard-hearted as those who can live without receiving (even) a kind word from their beloved.

Tamil Transliteration
Veezhvaarin Insol Peraaadhu Ulakaththu
Vaazhvaarin Vankanaar Il.