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• Aliens have invaded Earth! How else do you explain that?
• How do you explain school to a higher intelligence? -- Elliot, "E.T.
• I believe in luck: how else can you explain the success of those you don't like?
• Shell to DOS... Come in DOS, do you copy? Shell to DOS...
• The seven eyes of Ningauble the Wizard floated back to his hood as he reported to Fafhrd
  I have seen much, yet cannot explain all. The Gray Mouser is exactly twenty-five feet below the deepest cellar in the palace of Gilpkerio Kistomerces....