Unless I am convicted by Scripture and plain reason – I do not accept the authority of popes and councils, for they have contradicted each other – my conscience is captive to the Word of God. I cannot and I will not recant anything, for to go against conscience is neither right nor safe. God help me. Amen.

This is how Martin Luther defined his boundaries against a monolithic and corrupted institution at the Diet of Worms, April 1521. Words of Wisdom