Kural - 201

With sinful act men cease to feel the dread of ill within,
The excellent will dread the wanton pride of cherished sin

Explanation
Those who have experience of evil deeds will not fear, but the excellent will fear the pride of sin.

Tamil Transliteration
Theevinaiyaar Anjaar Vizhumiyaar Anjuvar
Theevinai Ennum Serukku.