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In fact, Lig never formally resigned his editorship — he merely left his office late one morning, and has never returned since. Though well over a century has now passed, many members of the Guide staff still retain the romantic notion that he has simply popped out for a sandwich and will yet return to put in a solid afternoon's work.
Strictly speaking, all editors since Lig Lury Jr., have therefore been designated acting editors, and Lig's desk is still preserved the way he left it, with the addition of a small sign that says LIG LURY, JR., EDITOR, MISSING, PRESUMED FED.

One of the major difficulties Trillian experienced in her relationship with Zaphod was learning to distinguish between him pretending to be stupid just to get people off their guard, pretending to be stupid because he couldn't be bothered to think and wanted someone else to do it for him, pretending to be outrageously stupid to hide the fact that he actually didn’t understand what was going on, and really being genuinely stupid. He was renowned for being amazingly clever and quite clearly was so — but not all the time, which obviously worried him, hence, the act. He preferred people to be puzzled rather than contemptuous.

It is known that there are an infinite number of worlds, simply because there is an infinite amount of space for them to be in. However, not every one of them is inhabited. Therefore, there must be a finite number of inhabited worlds. Any finite number divided by infinity is as near to nothing as makes no odds, so the average population of all the planets in the Universe can be said to be zero. From this it follows that the population of the whole Universe is also zero, and that any people you may meet from time to time are merely the products of a deranged imagination.