Some of Martin Luther's disagreements with the Catholic Church were based on the Renaissance idea of humanism. Humanism is based on the philosophical idea that all human beings have equal value and should be treated as such. Humanism also supports critical thinking over the belief that the Catholic church's beliefs are correct and are not to be challenged. Martin Luther stated that priests and other people are equal. There shouldn't be any distinctions between the different classes. He also stated that everyone should be able to read the bible, not just the priests.
