If you repeat the same information twice in an essay, ..
Heraclitus Quote: "You cannot step into the same river twice
Quotation marks(“ ”) always come in pairs—open quotation marks and close quotation marks. They are used to set off exact language, spoken or written, that has come from someone else. You may use quotation marks to quote a source or for dialogue. You can also use quotation marks for titles to indicate it is part of a larger work. Using quotation marks correctly in a paper, essay, or written work will ensure your writing is clear and easy to follow.
Heraclitus by Johannes Moreelse
In the abstract, the notion of using the same paper twice feels wrong — and if you contacted your old school and told them this anecdote, it would most likely cite some rule of conduct you unknowingly broke.