Complex sentence: No original author can reliably be determined for the first paragraph, however, it is possible that "(whoever first made the statement was paraphrasing or) drawing a conclusion from the quotation given" by Bartleby at the link listed below.
Split into simpler sentences: No original author can reliably be determined for the first paragraph. It is possible that "(whoever first made the statement was paraphrasing or) drawing a conclusion from the quotation given" by Bartleby at the link listed below.