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  • Robert A. Heinlein Quote - Never worry about theory as long as the machinery does what it’s supposed to do. Download This Image
  • Robert A. Heinlein Quote - Never worry about theory as long as the machinery does what it’s supposed to do.
  • Robert A. Heinlein Quote - Never worry about theory as long as the machinery does what it’s supposed to do.
  • Robert A. Heinlein Quote - Never worry about theory as long as the machinery does what it’s supposed to do.
  • Robert A. Heinlein Quote - Never worry about theory as long as the machinery does what it’s supposed to do.
  • Robert A. Heinlein Quote - Never worry about theory as long as the machinery does what it’s supposed to do.
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Never worry about theory as long as the machinery does what it’s supposed to do.