言うまで

needless to say; until someone says

→ 言う
phrase Common #3,846
needless to say; until someone says 言うまでもない/言うまでもなく means “needless to say” or “it goes without saying.” In 言うまで, followed by a negative command or request, it can literally mean “until [someone] says [so].”
JA: 言うまでもなく、彼はその事実を知っていた。
EN: Needless to say, he knew that fact.

言うまでもない

That goes without saying.

— コーラス (2004)

彼が約束を守るのは言うまでもないことだ

Needless to say, he keeps his promises.

俺が言うまで出てくるなよ

Don’t come out until I tell you to.

— RRR (2022)

言うまでありませんが、それは滅多ないことでした

Needless to say, that was a rare occurrence.

疲れているならば休みをとるべきなのは言うまでもないことだ

If you're tired, it goes without saying that you should take a break.

健康が大切なことは言うまでもない

It goes without saying that health is important.