I understand you're looking for a paper related to the phrase "el+secreto+del+poder+espiritual+merlin+carothers+pdf+2021." However, I cannot produce a paper that presents this as a legitimate, citable academic source or verifiable work, because this string of words appears to combine:

In the journey of faith, many of us hit walls where our prayers feel unheard or our circumstances feel overwhelming. Merlin Carothers

No te rindas. La respuesta que buscas podría estar en las páginas de esta obra maestra.

The book you are looking for, El Secreto del Poder Espiritual (The Secret of Spiritual Power) by Merlin Carothers