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 innan Descartes sa sina berömda ord, "Jag tänker, alltså finns jag. ", satte sig St. Augustine ner och skrev "Fallor ergo sum" - "Jag felar, alltså finns jag.