Kural - 601

Of household dignity the lustre beaming bright,
Flickers and dies when sluggish foulness dims its light

Explanation
By the darkness, of idleness, the indestructible lamp of family (rank) will be extinguished.

Tamil Transliteration
601 Kutiyennum Kundraa Vilakkam Matiyennum
Maasoora Maaindhu Ketum.