Kural - 660

In pot of clay unburnt he water pours and would retain,
Who seeks by wrong the realm in wealth and safety to maintain

Explanation
(For a minister) to protect (his king) with wealth obtained by foul means is like preserving a vessel of wet clay by filling it with water.

Tamil Transliteration
Salaththaal Porulseydhe Maarththal Pasuman
Kalaththulneer Peydhireei Yatru.