Verse 175: Known through use

175. Known through use

அரிவாள் அறியாது தன்கூர்மை அஃதால்அறுப்பாள் அறிவாள் அளவு

arivaal ariyaadhu thankoormai adhaalaruppaal arivaal alavu

The sickle does not know its own sharpness; the woman who cuts with it knows its measure.