expression
needless to say; it goes without saying
A fixed phrase used to state that something is so obvious it doesn't need to be mentioned. Often used in formal or written contexts.
彼の成功は言うに及ばず、誰もが知っている。
His success goes without saying; everyone knows it.
安全対策の重要性は言うに及ばず、徹底すべきだ。
Needless to say, the importance of safety measures should be thoroughly implemented.