Kural - 604

His family decays, and faults unheeded thrive,
Who, sunk in sloth, for noble objects doth not strive

Explanation
Family (greatness) will be destroyed, and faults will increase, in those men who give way to laziness, and put forth no dignified exertions.

Tamil Transliteration
Kutimatindhu Kutram Perukum Matimatindhu
Maanta Ugnatri Lavarkku.