When you are amongst the crows, caw like them.
More Polish Proverbs:
Never seek the wind in the field. It is useless to try and find what is gone.Polish
The real unlucky one will sprain his thumb when he blows his nose.
Polish
Truth will not make you fat but you won't choke on a lie.
Polish
It's easier for the horses when the woman gets off the cart.
Polish
The devil can swallow a woman but he can't digest her.
Polish
A good joke is a penny worth.
Polish