Mitch Albom's "The First Phone Call from Heaven" explores themes of belief, love, and the afterlife through the experiences of its characters. The story unfolds in a town where individuals begin receiving phone calls from deceased loved ones, sparking wonder and disbelief among the residents. These miraculous events challenge the boundaries of faith and encourage introspection about what happens after we die.

The quote, "What happened next depends on how much you believe," encapsulates the central idea that our perceptions of reality and the unknown are influenced by our beliefs. The characters' reactions to the phone calls illustrate that faith can shape their understanding of life, death, and the connections that endure beyond. This notion prompts readers to reflect on their beliefs and the power they hold over their experiences.