1,200 years before Descartes said his famous thing about "I think therefore I am," this guy, St. Augustine, sat down and wrote "Fallor ergo sum" -- "I err therefore I am."
1.200 år inden Descartes sagde hans berømte ting om "Jeg tænker, derfor er jeg," satte denne fyr, St. Augustine, sig ned og skrev "Fallor ergo sum" -- "I err therefore I am."