Thirukkural

ஊருணி நீர்நிறைந் தற்றே உலகவாம் பேரறி வாளன் திரு.

Ooruni Neernirain Thatre Ulakavaam Perari Vaalan Thiru

The wealth of that man of eminent knowledge who desires to exercise the benevolence approved of by the world, is like the full waters of a city-tank