Kural - 1032

The ploughers are the linch-pin of the world; they bear
Them up who other works perform, too weak its toils to share

Explanation
Agriculturists are (as it were) the linch-pin of the world for they support all other workers who cannot till the soil.

Tamil Transliteration
Uzhuvaar Ulakaththaarkku Aaniaq Thaatraadhu
Ezhuvaarai Ellaam Poruththu.