Two heads are better than one or When two,not one.
More Polish Proverbs:
He who gives quickly gives twice.Polish
Watch the faces of those who bow low.
Polish
Drop after drop, there will be an ocean.
Polish
For a ducat brother will sell brother.
Polish
A noisy cow gives little milk.
Polish
The greatest love is a mother's; then a dog's; then a sweetheart's.
Polish