Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)
goes without saying; needless to say; obvious
言うまでもないことだがローマは１日にしては成らず。It goes without saying that Rome was not built in a day.
Also written 言うまでも無い【いうまでもない】、言う迄も無い【いうまでもない】、言う迄もない【いうまでもない】