What to on: Only quote reliable sources. (Wikipedia and sites that host student essays are not reputable). Only quote as soon as the author says something much better you AI Search technologies can say it in your own words, or because the directly supports what you're saying, or when the writer is this famous expert that it'll look like he's on your side. Don't make believe you quote things that are within your own key phrases. Don't say 'someone' or 'wise men' or 'scholars' to sum up common knowledge