Both Calvinist and Catholic clergy mounted fierce opposition against the group, but Socinian ministers took advantage of the atmosphere of religious tolerance, promoted by such Polish kings as Sigismund II Augustus and Stephen Báthory, to teach their ideas.
त्याकाळी एक कॅलव्हिनिस्ट बायबल भाषांतर प्रचलित होते; पण बऱ्‍याच वाचकांना ते समजायला कठीण होते.