"Can you tell me the difference between a witch and a wizard?Sure, a wizard is what they call you when they want to hire you, and a witch is what they call you when they're getting ready to run you out of town."
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Source : Barbara Hambly (1987). “The Witches of Wenshar”, Del Rey
Source : "Mo Farah on loneliness of long-distance runner: I eat, sleep, train, rest, look at the walls". Interview with Alex Spink, www.mirror.co.uk. September 7, 2013.