Foundationalism and distinct. Geometrical truths are also certain and indubitable; Descartes thus attempted to find truths which were clear and distinct because they would be indubitably true and a suitable foundation for knowledge. His method was to question all of his beliefs until he reached something clear and distinct that was indubitably true. The result was his "cogito ergo sum" – 'I think therefore I am', or the belief that he was thinking – as his indubitable belief suitable as a foundation for knowledge. This resolved Descartes' problem of the Evil Demon – the possibility that he was being deceived by
Mr. Cogito Departure"). Two Cogito-related texts may be found there. The first one, dedicated to Władysław Walczykiewicz, is entitled "From Mr. Cogito on the Set Topic: Friends Depart" and bears the weight of nostalgic memories of the old times and companions gone. The second poem – "The Calendars of Mr. Cogito" – has a similar atmosphere. Written for Zbigniew Zapasiewicz, it mentions the feelings accompanying Mr. Cogito, who flicks through his old pocket calendars and finds the forgotten names and notes, covered with the mist of time. "Epilogue of the Storm" was released in 1998 and happened to be the last poetry