Answer:
Martin Luther and John Calvin had similar concepts of faith and justification towards God, which in consequence became Luther and Calvin’s main currency of soul salvation.
Calvin’s theology was for the most part similar and on the same path as Luther’s, Calvin was on the same side as Luther for the thought that the authority and ways of life of Christians were to be followed from the Scriptures and that it was not the Church itself that would tell the people what to do, but instead it would be the Scriptures, because everyone could read it them.