>>169
>「振る舞い」と「質」「本質」がなぜ同じになるのですか

日本語訳で考えるから行き詰るんや
英語で考えんかい
qualityを英英で引くんや

https://www.collinsdictionary.com/dictionary/english/quality

3. countable noun [usually plural]
Someone's qualities are the good characteristics that they have which are part of their nature.
He wanted to introduce mature people with leadership qualities.

とあるやないか

人間としての（良い）資質、グッドな人間性ちゅう意味や