independent spirit; independence of mind
Refers to a person's inner disposition to think and act independently, without relying on others.
彼は若い頃から独立心が強かった。
He has had a strong independent spirit since he was young.
子供の独立心を育てるには、自分で決めさせる経験が大切だ。
To foster a child's independence of mind, it is important to let them make their own decisions.
She has a strong independent spirit.
It's important to cultivate independence of mind from childhood.
He has a strong independent spirit and dislikes relying on others.