While there is no famous academic "paper" with this exact title, the phrase is frequently used in various professional and creative contexts to describe the importance of genuine passion:

The phrase "" is primarily known as a popular song by the boy band Westlife , released in 2001 on their album World of Our Own .

: The concept is often linked to the "science of affirmations," suggesting that self-suggestion fails if the individual does not emotionally engage with the words. Answers these 3 Qs before Selling Your Art - Artist Strong

: Some career and goal-planning guides use the mantra "if your heart's not in it, bin it" to encourage focusing only on goals that align with true passion.

: Artists are often advised that "if your heart's not in it, it shows" in the finished work and the creator's integrity.