ローマは一いち日にちにして成ならず

expression

Rome wasn't built in a day

Proverb meaning that great achievements take time and cannot be rushed.

• 語ご学がくの習しゅう得とくは難むずかしいが、ローマは一いち日にちにして成ならずだ。

  Learning a language is hard, but Rome wasn't built in a day.