Look at Shakespeare. His work was so popular in his time that he could afford to retire at the age of 46. Dickens and Mark Twain were wildly popular during their lifetimes. So were Faulkner and Hemingway. There's a thread of spiritual quest that sometimes runs as an undercurrent in your work.
Stories are about people in crisis and people in crisis usually have spiritual hungers.
In fact, the way we live our lives today doesn't even require a crisis to provoke spiritual yearnings. I'm no different from anyone in that regard. I certainly don't write from a sectarian or even a religious point of view and spiritual quests in my stories are only incidental to the stories themselves. But, like in myths, those characters in my stories who surmount their crises often find victory measured in satisfactions of the soul. I think that's the value of storytelling.