不平を言うことはエゴが自分自身を強化するための好ましい戦略の一つです。
Our editorial team hasn't reviewed this quote yet, so neither its source nor its attribution has been confirmed. Treat it as unverified for now.
不平を言うことはエゴが自分自身を強化するための好ましい戦略の一つです。
Our editorial team hasn't reviewed this quote yet, so neither its source nor its attribution has been confirmed. Treat it as unverified for now.