“For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no effect other than the increasing discovery of my own ignorance”
Help us to complete the source, original and additional information
René Descartes 47
French philosopher, mathematician, and scientist 1596–1650Related quotes
                                        
                                        F 155 
Source: Aphorisms (1765-1799), Notebook F (1776-1779)
                                    
                                        
                                        In 1947; p. 19 
before 1960, "Yves Klein, 1928 – 1962, Selected Writings"
                                    
In Horace Twiss, The Public and Private Life of Lord Chancellor Eldon (1844), p. 350
                                        
                                        Memoirs (trans. Machen 1894), book 1,  Preface http://etext.library.adelaide.edu.au/c/casanova/c33m/preface2.html 
Referenced 
Source: Geschichte Meines Lebens