Coal-black is better than another hue In that it scorns to bear another hue; For all the water in the ocean Can never turn the swan's black legs to white, Although she lave them hourly in the flood.
William Shakespeare (1790). “The Plays and Poems of William Shakspeare: Venus and Adonis. The rape of Lucrece. Sonnets. The passionate pilgrim. A lover's complaint. Titus Andronicus. Romeus and Juliet. Appendix, glossarial index. Vol. 10”, p.434
