"
A Diamond Or A Coal?
A diamond or a coal?
A diamond, if you please:
Who cares about a clumsy coal
Beneath the summer trees?
A diamond or a coal?
A coal, sir, if you please:
One comes to care about the coal
What time the waters freeze.
Christina Georgina Rossetti"
http://www.poemhunter.com/poem/a-diamond-or-a-coal/
http://www.poemhunter.com/alice-walker/