What similiarities are in the beginning and end of the novel the Chrysalids?

In the beginning and end of "The Chrysalids," there is a sense of uncertainty and fear surrounding the characters' abilities and identity due to the oppressive society they live in. The theme of acceptance and the struggle to fit into a rigidly defined norm is also present throughout the novel, highlighting the importance of individuality and diversity. Additionally, the notion of hope and resilience is portrayed as the characters strive for a better future despite facing numerous challenges.