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."
1200 gadus pirms Dekarta slavenā izteikuma "Es domāju, tātad es esmu", kāds zellis, Svētais Augustīns, apsēdās un uzrakstīja: "Fallor ergo sum" -- "Es kļūdos, tātad es esmu".