He differed with corrupt clergymen who used church customs ​ — such as confession of sins, the worship of the saints, fasting, and pilgrimages — ​ to exploit believers.
لذا حين بدأ المصلحون يحتجون على كنيسة روما ويطالبون بتغييرها من الداخل ،‏ شكَّ الكاثوليك في امره .‏