We may have to be content with just never knowing exactly what he is all about, at least until I become more acquainted with the language.
and The Catechism of the Catholic Church is a source he does not stray from in his statements.
So, actually, one can always know.
WE assume that there can be an imposter in there, as has been in the distant past, and as there is here.
But No that is highly unlikely, to say the least.