When were there ever any 'Palestinians'?

Consider the following: “Of all the Palestinian lies there is no lie greater or more crushing than that which calls for the establishment of a separate Palestinian state in the West Bank... Not since the time of Dr. Goebbels has there been a case in which continual repetition of a lie has borne such great fruits....”– From “Palestinian Lies” in Haaretz, July 1976.Incredibly, that was written by