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                                        Alternate version: If you don't have a hammer, you don't want anything to look like a nail. 
Of Paradise and Power, p. 26 
According to Kagan, this is a variation of the proverb "When you have a hammer, all problems start to look like nails." (p. 25 of the same book)
                                    
 
        
     
                             
                             
                             
                             
                             
                            