[editor-surveyor]

>> “Martin Luther was a man. His doctrines are human.” <<

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‘His’ doctrines are from scripture, except for the junk that he retained from the Roman ‘church.’
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[St_Thomas_Aquinas]

-—’His’ doctrines are from scripture, except for the junk that he retained from the Roman ‘church.’-—

But Luther was a fallible man, so his authority to interpret Scripture is the same as mine or yours.

So now we’re down to your assertion that the Bible alone is the sole rule of faith, for Christians.

First question: Which Bible?

Second question: Where in the Bible does the Bible tell us that the Protestant Bible is the sole rule of faith?