Marvin regarded it with cold loathing whilst his logic circuits chattered with disgust and tinkered with the concept of directing physical violence against it. Further circuits cut in saying, Why bother? What’s the point? Nothing is worth getting involved in. Further circuits amused themselves by analysing the molecular components of the door, and of the humanoids’ brain cells. For a quick encore they measured the level of hydrogen emissions in the surrounding cubic parsec of space and then shut down again in boredom.
