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And the hope that the war against folly may someday be won, after all.”
                                
                                
                                
                                
                            
                                        
                                        Dedication, p. 5; this refers to the quotation of Friedrich Schiller from which Asimov derived the title of this novel: "Against stupidity the gods themselves contend in vain." 
The Gods Themselves (1972)
                                    
 
        
     
                             
                             
                             
                             
                             
                            