"Paul Graham (programmer)" . . . . . . . . . . . . "Paul Graham" . . . "Graham's hierarchy of disagreement" . . . . . . . . . . . . . . . . . . . . "Paul Graham (programmer)#Graham's Hierarchy of Disagreement" . . . . . . "Paul Graham (programmer)" . "1964" . "Paul Graham (programmer)#Blub" . "Paul Graham (programmer)#Graham's hierarchy of disagreement" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Dr. Paul Graham" . . . . . . . . . . . . "Paul Graham (programmer)#The Blub paradox" . . . . . . . . . . . . . . . .