Do not push the river, it will flow by itself.
More Polish Proverbs:
Both the cross and the gallows are made of wood.Polish
Love is like the moon: now full, now dark.
Polish
Never seek the wind in the field. It is useless to try and find what is gone.
Polish
The doctor demands his fees whether he has killed the illness or the patient.
Polish
The woman cries before the wedding and the man after.
Polish
The locksmith is the guilty one, but the blacksmith hangs.
Polish