Proper noun
Epimenides
Epimenides of Knossos.
Epimenides was sent by his father into the field to look for a sheep, turned out of the road at mid-day and lay down in a certain cave and fell asleep, and slept there fifty-seven years; and after that, when awake, he went on looking for the sheep, thinking that he had been taking a short nap. Diogenes Laërtius
But if he be a liar, what he says is untrue, and consequently the Cretans are veracious; but Epimenides is a Cretan, and therefore what he says is true; saying the Cretans are liars, Epimenides is himself a liar, and what he says is untrue. Source: Internet
It is named after the Cretan philosopher Epimenides of Knossos (alive circa 600 BC) who is credited with the original statement. Source: Internet
Epimenides paradox has "All Cretans are liars." Source: Internet
Epimenides the Cretan said that all Cretans were liars, and all other statements made by Cretans were certainly lies. Source: Internet
However, Epimenides' statement that all Cretans are liars can be resolved as false, given that he knows of at least one other Cretan who does not lie. Source: Internet