Bertrand Russell

'A scientific opinion is one which there is some reason to believe is true; an unscientific opinion is one which is held for some reason other than its probable truth.' - Bertrand RussellOne of Russell's most important books, this early classic on science illuminates his thinking on the promise and threat of …

"What I Believe" is the title of two essays espousing humanism, by Bertrand Russell and by E. M. Forster, respectively. Several other authors have also written works with the same title, alluding to either or both of these essays.