Kural - 572

The world goes on its wonted way, since grace benign is there;
All other men are burthen for the earth to bear

Explanation
The prosperity of the world springs from the kindliness, the existence of those who have no (kindliness) is a burden to the earth.

Tamil Transliteration
Kannottath Thulladhu Ulakiyal Aqdhilaar
Unmai Nilakkup Porai.