Generally, testimony emerges over time and through life’s experiences. We can compare testimony to the process of watching a photograph develop. Powerful impressions of the Spirit come like flashes of light on receptive photographic film. Like the chemicals needed to develop the picture, certain spiritual conditions and experiences are needed in our lives for our personal testimony to develop into a certain truth and knowledge. And like a photograph, a testimony, if not carefully preserved, will fade with time. – Robert D. Hales, “The Importance of Receiving Personal Testimony,” Ensign (CR) November 1994