Kural - 194

Unmeaning, worthless words, said to the multitude,
To none delight afford, and sever men from good

Explanation
25 The words devoid of profit or pleasure which a man speaks will, being inconsistent with virtue,.

Tamil Transliteration
Nayansaaraa Nanmaiyin Neekkum Payansaaraap
Panpilsol Pallaa Rakaththu.