Quoting a post, be it partially or totally, is not considered spam (although quoting entire large posts is not necessary (unless for forum global reference) and is normally not appreciated – best to focus on specific extracts). It is the content you add to it that may be considered spam if it has no substance to it.

Looking over the Modlog (https://bitcointalk.org/modlog.php), I’ve seen that you have had two deleted posts recently: one on Marketing your blockchain project) and the other on Bitcoin core v0.17.0. You may still have a draft (https://bitcointalk.org/index.php?action=drafts) of what you wrote, so looking over them you may give you a clearer picture of what may have led them to be deleted.