Kural - 110

Who every good have killed, may yet destruction flee;
Who 'benefit' has killed, that man shall ne'er 'scape free

Explanation
He who has killed every virtue may yet escape; there is no escape for him who has killed a benefit.

Tamil Transliteration
Ennandri Kondraarkkum Uyvuntaam Uyvillai
Seynnandri Kondra Makarku.