In the book, Night, by Elie Weisel,there are three key factors to this book: silence, family, and self-preservation. All of these thematic ideas relate to the book, they have a great impact the prisoner's lives.
Silence is a major part in this book. it can decide whether they live, die, or suffer. multiple times throughout the book the prisoners are silent. When they are silent it represents sadness, anger, exhaustion, and despair. For other silence means safety. For example, Eliezer caught his block captain with a girl, in order for eliezer to stay silent his block leader had him whipped 25 times. If Eliezer did not keep quiet he wouldn't be safe. At this time silence was the best answer.
Family is an important aspect in this book, throughout