言こと葉ばは身みの文あや

expression

words betray one's character

Proverb meaning that the way a person speaks reveals their true nature, education, or upbringing.

• 彼かれの丁てい寧ねいな話はなし方かたを聞きいて、言こと葉ばは身みの文あやだと思おもった。

  Hearing his polite way of speaking, I thought that words truly reveal one's character.