Definition & Meaning of "[put] {one's} heart (and soul|) into {sth}"

What is the origin of the idiom "put one's heart into something" and when to use it?

The origin of the phrase "put one's heart into something" can be traced back to ancient Greek and Roman beliefs and literature. In ancient Greek philosophy, the heart was considered the seat of emotions and the source of passion and determination. This expression is often used to convey the idea of wholehearted commitment and the willingness to go above and beyond in order to achieve success or make a significant impact. It is commonly employed in discussions of personal and professional endeavors, creative projects, relationships, and even everyday tasks.