
Personal spiritual experience — testimony — is at the heart of Mormonism and of Mormon religious commitment,
In this talk from the 2007 FAIR (now FairMormon) conference, Blake Ostler addresses the question of whether such experiences can validly serve as foundations for faith:
https://www.fairmormon.org/conference/august-2007/spiritual-experiences-as-the-basis-for-belief-and-commitment