Verse 535: Gain wears another down

535. Gain wears another down

அரிவாள் தனக்குத் தனைத்தீட்டும் போதும்தெரியாது தான்தேயும் கல்

arivaal thanakkudh thanaitheettum podhumtheriyaadhu thaantheyum kal

As the sickle sharpens its own edge upon the stone, the stone wears itself away unseen.
A sickle is sharpened by grinding it against a whetstone.