Dante was a very intellectual and provocative writer. He wrote the Divine Comedy, which contains three poems. Many have said it: “The secret of originality is the ability to hide one's source”. Dante, when he wrote the Inferno, used many sources, but never gave credit to those he cited. Students today are taught that if they take someone else's ideas and use them as their own, it is intellectual theft. Dante never found himself in trouble when he hid his sources and failed to give credit to others. Dante got the idea of ​​the nine circles of hell from external sources such as the Aeneid and the Bible. An important source used by Dante was Virgil's Aeneid. Dante probably wanted someone else's opinion on what hell is like. So Dante looked at the Aeneid because he had a general idea that Virgil had written something about hell. Since he could not meet Virgil face to face, he probably took some of Virgil's ideas about hell and turned them into his own words. Dante created a more specific idea of ​​hell by providing it with circles. I think Virgil thought hell was just a huge planet...