குறள் 396

தொட்டனைத் தூறும் மணற்கேணி மாந்தர்க்குக்
கற்றனைத் தூறும் அறிவு.

Stanza 396

Well dug in sand yields water as dig-
So learning wisdom.

Meaning:

Water will flow froma well in the sand in proportion to the depth to which it is dug, and knowledge will flow from a man in proportion to his learning.