Is the moon tired? she looks so pale
Within her misty veil:
She scales the sky from east to west,
And takes no rest.
Before the coming of the night
The moon shows papery white;
Before the dawning of the day
She fades away.
Christina Georgina Rossetti
http://www.poemhunter.com/poem/is-the-moon-tired-she-looks-so-pale/