Final answer:
In William Shakespeare's 'Romeo and Juliet,' Romeo speaks of death as being jealous of Juliet's beauty, which remains undiminished even in her death.
Step-by-step explanation:
According to Romeo in William Shakespeare's play Romeo and Juliet, it is death that is jealous of Juliet's beauty.
Romeo personifies death as being envious of Juliet's beauty and speaks of it as if it wants to keep her beauty for itself.
This notion comes forth in Act 5 of the play, where Romeo is overwhelmed by Juliet's unchanged beauty even in death and expresses his thoughts on how even death does not want to let go of her.