தண்ணீர் வெந்நீர் ஆனாலும் நெருப்பை அணைக்கும் .
Even if the water becomes hot water, it will quench the fire.
The Basic characteristic of a substance will remain even if it undergoes certain changes. Probably an Indian is always an Indian wherever he stays in the world(some one like me!..being in American I still have all love for Tamil!)
“Foul water as soon as fair, will quench hot fire.”
I guess this is same as A ROSE IS A ROSE IS A ROSE (A rose by any other name would smell as sweet)