Greebo turned upon Granny Weatherwax a yellow-eyed stare of self-satisfied malevolence, such as cats always… — Terry Pratchett

Greebo turned upon Granny Weatherwax a yellow-eyed stare of self-satisfied malevolence, such as cats always reserve for people who don't like them, and purred. Greebo was possibly the only cat who could snigger in purr. (p. 48)

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