In "Night", Elie Wiesel faces an internal conflict: Losing the faith whilst witnessing tragic and disgraceful events.
The view of dead children and their corpses being consumed by fire also consumed the author's faith in God and his desire to live.
The repetition of the phrase "Never shall I forget" is important, since it emphasizes the everlasting effect the horrors of Auschwitz had on the author.
It is imperative to remember the Holocaust today because it is a historic event during which millions of innocent people suffered and died. We, as a civilization, must learn from History in order to evolve and avoid making the same mistakes.