A proverb meaning that writing reflects the person who wrote it—the style of writing reveals the author's character.
先生は『文は人なり』という言葉を引用して、生徒に自分の言葉で書くことの大切さを説いた。
The teacher quoted 'bun wa hito nari' and told students the importance of writing in their own words.
彼のエッセイを読むと、文は人なりという言葉がよく当てはまると感じる。
Reading his essays, I feel the saying 'the style is the man' fits well.
評価者は文は人なりを信じて、作者の背景を文章から推測した。
The reviewer, believing 'writing reflects the writer', inferred the author's background from the text.