english: 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."
non_english: 1200 rokov dozadu, Descartes povedal jeho známu vec ohľadom "Myslím, teda som." Tento človek, St. Augustín si sadol a napísal "Fallor ergo sum" -- "Mýlim sa, teda som."