Mind, heart, or spirit — the inner feelings, emotions, or mental state of a person.
彼女のやさしい心に救われた。
I was saved by her kind heart.
試験の前に心を落ち着ける。
I calm my mind before the exam.
成功するには強い心が必要だ。
A strong spirit (mind) is needed to succeed.
The true meaning or essence of a phrase, riddle, poem, etc.; the central idea or spirit behind an expression.
この俳句の心を理解するのは難しい。
It's difficult to understand the true spirit of this haiku.
教科書だけでなく作家の『心』を読み取ることが大切だ。
It's important not only to read the textbook but also to grasp the author's intent.