That is a very interesting question. I would say that one similarity is that both stories focus on young protagonists. Romeo and Juliet are both teenagers. We are not told Romeo's exact age, but Capulet does state in Act I, Scene 2 that Juliet isn't quite 14 yet:
My child is yet a stranger in the world.
She hath not seen the change of fourteen years.
When The Chrysalids begins, readers are told that David is ten years old:
That day I had gone off by myself, as I often did. I was, I suppose, nearly ten years old. My next sister, Sarah, was five years older, and the gap meant that I played a great deal alone.
The book takes place over the course of years, and David is around the age of sixteen by the time the novel ends. Readers know this because chapter eight tells readers that six years have passed from the time that David was introduced to readers:
Somehow, through caution, luck, and quick recoveries we managed to escape direct suspicion and live our two diverging lives for the next six...
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