Romeo and Juilet

Explain why these are examples of personfications:

1. My ears have not yet drunk a hundred words of thy tongue's uttering, yet I know the sound

2. I have night's cloak to hide me from their eyes

3. This bud of love, by summer's ripening breath, May prove a beauteous flower when next we meet.

4. The grey-eyed morn smiles on the frowning night