Final answer:
Shakespeare uses the motif of light as a reason for sorrow in Romeo and Juliet.
Step-by-step explanation:
Shakespeare uses the motif of light in Romeo and Juliet to symbolize different emotions and themes. In this particular passage, the motif of light is used as a reason for sorrow. When Juliet says 'more light and light it grows,' she is referring to the rising sun, which means that Romeo must leave. The growing light represents the imminent separation between Romeo and Juliet, leading to their sorrow.
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