 At that time the Polish language, common to all educated groups, matured and penetrated all areas of public life, including municipal institutions, the legal code, the Church, and other official uses, coexisting for a while with Latin.Klemens Janicki, one of the Renaissance Latin language poets and a laureate of a papal distinction, was of peasant origin.Another plebeian author, Biernat of Lublin, wrote his own version of Aesop's fables in Polish, permeated with his socially radical views.