Example of metaphor in Romeo and Juliet act 1?

Metaphor: Compare two things that are not really alike; one thing becomes a symbol of another.

Example from Romeo and Juliet Act 1:

"But, soft! what light through yonder window breaks?

It is the east, and Juliet is the sun."

- Romeo compares Juliet's beauty to the sun, symbolizing her radiance and the powerful effect she has on him.