Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.
Black
A black hen will lay a white egg.
A black man is a jewel in a fair woman’s eye.
A black man is a pearl in a fair woman’s eye.Shakespeare.
A black plum is as sweet as a white.
Black cows give white milk.German.
Black plums may eat as sweet as white.
Black will take no other hue.
Two blacks make no white.