Kural - 98

Sweet kindly words, from meanness free, delight of heart,
In world to come and in this world impart

Explanation
Sweet speech, free from harm to others, will give pleasure both in this world and in the next.

Tamil Transliteration
Sirumaiyul Neengiya Insol Marumaiyum
Immaiyum Inpam Tharum.