One dirty pig pollutes others.
More Georgian Proverbs:
One blind man followed the other and they both fell into the ditch.Georgian
Do not blame the sun for the darkness of the night.
Georgian
The cat would eat fish, but would not wet her feet.
Georgian
Whoever I love is the most beautiful.
Georgian
Only the dumb can silence the chatterer.
Georgian
If you forgive the fox for stealing your chickens, he will take your sheep.
Georgian