Infallibility

in•fal•li•bil•i•ty |in?fal??bilit?| noun the quality of being infallible; the inability to be wrong : his judgment became impaired by faith in his own infallibility. • (also papal infallibility) (in the Roman Catholic Church) the doctrine that in specified circumstances the pope is incapable of error in pronouncing dogma.

ORIGIN early 17th cent.: from obsolete French infallibilité or medieval Latin infallibilitas (based on Latin fallere ‘deceive’ ).

Stupid. And I’m not railing against the bit about the Pope.