He was of course a persecutor of heretics.
Peter was a rare and unwelcome guest in his own family, and a son who loved his mother could have little affection for a father who had ever been that mother's worst persecutor.
A zealous Calvinist, whose boast it was that he had read the Bible twenty-five times, he was nevertheless no persecutor, and even helped the Jesuit Kaldy to translate and print his version of the Scriptures.
The Christian records treat his death as an act of divine vengeance upon the persecutor of the Christian Church.
He became, and could not but become, a persecutor in and out of Spain; and his persecutions not only hardened the obstinacy of the Dutch, and helped to exasperate the English, but they provoked a revolt of the Moriscoes, which impoverished his kingdom.