Complex sentence: Its most important section consists of thirty-nine'signs' (in some redactions, up to forty-one signs) by which'false Apostles' may be known: although it is never openly stated, these also describe the behaviour of friars.
Split into simpler sentences: Its most important section consists of thirty-nine'signa' by which'false Apostles' may be known: in some versions, this list is increased to forty-one. Although it is never openly stated, these'signs' also describe the behaviour of friars.