"The playwright who wrote the folio of this world wrote it badly (He gave us light first and the sun two days later)." - james joyce's Ulysses.
Do Mormons have an explanation or a conjecture as to what that first light might refer to? All my days in the fold I never got an answer. In my hope to maintain my membership, I used to tell myself it was the light of the intelligences, congregating on the moment of the creation.