Can't copy-paste: Newcomers usually copy and paste more. So don't copy someone's post or text from any website. Copying and posting is a big injustice. If someone regularly copies and pastes and gets caught, you can get a much bigger penalty.
The habit of claiming another user's posts to be your own without referencing it, is a bad behavior and results to account been banned immediately, copy pasting with references is not a bad idea, because human brain is not 100% perfect, so human needs another person idea to construct a quality post in the forum, follow the forum rules and regulations and you will enjoy this place for your own good.