“That Old Black Magick”
Black magick doesn’t always involve the ritual of casting a spell. Many people perform black magick without even realizing it. If, in the heat of the moment, you curse someone or wish something bad to happen to him, you’re doing black magick, whether you realize it or not!
Skye Alexander, The Everything Wicca and Witchcraft Book: Rituals, spells, and sacred objects for everyday magick (Everything®)