For fans of the original Star Trek . Let us remember for a fleeting moment an episode in which Captain Kirk, with some help, defeats a robot that had been holding him prisoner. In part at least this victory is won by telling the robot "I am a liar." The paradox is too much, the robot blows its fuses, and Kirk gets back to his ship. This is of course a tight version of the old Cretan paradox. The original version was just "All Cretans are liars" spoken by a Cretan. Not much of a paradox at all, actually. And St. Paul makes a brief reference to it without mentioning its paradoxical nature. There are lots and lots of Cretans. For any one Cretan to say "we're such a lying bunch" is not paradoxical. It may seem like to speaker is giving himself too much credit as a supposed exception to that generalization: still, no paradox. A Cretan might even say " all Cretans are liars" and be considered to have spoken hyperbolically. Perhaps a commun...