User:Tsange/bannerFrom Wikipedia, the free encyclopedia "Cogito ergo sum" — René Descartes (1637) Main Page Leave a Message What I've Been Editing Take a Look Oooh Shiny! For Science For Every Job... Main Leave a message Edits Gallery Awards Tests Toolbox
"Cogito ergo sum" — René Descartes (1637) Main Page Leave a Message What I've Been Editing Take a Look Oooh Shiny! For Science For Every Job... Main Leave a message Edits Gallery Awards Tests Toolbox