Friendship is almost always the union of a part of one mind with the part of another; people are friends in spots. George Santayana
A leopard does not change his spots, or change his feeling that spots are rather a credit. Ivy Compton-Burnett
She resembles the Venus de Milo: she is very old, has no teeth, and has white spots on her yellow skin. Heinrich Heine
The rain wets the leopard's spots but does not wash them off. Ghana Proverb
Rain beats on a leopard's skin, but it does not wash out the spots. Ghana Proverb
The leopard does not change his spots. Hawaiian Proverb