sentences:  Zachary also urges Vicky to accept his belief that there is no God to protect her.Yet at the end of the novel, despite her earlier ambivalence toward religion, Vicky makes her stand against Zachary's nihilism, and cries out the words of the psalm as she awaits rescue.The novel is based on a real-life camping trip made in the spring of 1959 by Madeleine L'Engle and her family, the Franklins, during which she first had the idea for "A Wrinkle in Time".