More

  ARM Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life (Terry Pratchett, Jingo)
More

"A horrible little boy came up to me and said, `You know in your book
The Martian Chronicles?' I said, `Yes?' He said, `You know where you
talk about Deimos rising in the East?' I said, `Yes?' He said `No.'
-- So I hit him."
-- attributed to Ray Bradbury