Quote%20by%20Sir%20Arthur%20Conan%20Doyle%3A%20%u201CThat%20any%20civilized%20human%20being%20in%20this%20nineteen...%u201D%20%7C%20Goodreads

Quote%20by%20Sir%20Arthur%20Conan%20Doyle%3A%20%u201CThat%20any%20civilized%20human%20being%20in%20this%20nineteen...%u201D%20%7C%20Goodreads: I%20consider%20that%20a%20man%u2019s%20brain%20is%20like%20a%20little%20empty%20attic%2C%20and%20you%20have%20to%20stock%20it%20with%20such%20furniture%20as%20you%20choose.%20A%20fool%20takes%20in%20all%20the%20lumber%20of%20every%20sort%20that%20he%20comes%20across%2C%20so%20that%20the%20knowledge%20which%20might%20be%20useful%20to%20him%20gets%20crowded%20out%2C%20or%20at%20best%20is%20jumbled%20up%20with%20a%20lot%20of%20other%20things%2C%20so%20that%20he%20has%20difficulty%20in%20laying%20his%20hands%20upon%20it.%20Now%20the%20skilful%20workman%20is%20very%20careful%20indeed%20as%20to%20what%20he%20takes%20into%20his%20brain-attic.%20He%20will%20have%20nothing%20but%20the%20tools%20which%20may%20help%20him%20in%20doing%20his%20work%2C%20but%20of%20these%20he%20has%20a%20large%20assortment%2C%20and%20all%20in%20most%20perfect%20order.%20It%20is%20a%20mistake%20to%20think%20that%20that%20that%20little%20room%20has%20elastic%20walls%20and%20can%20distend%20to%20any%20extent.%20Depend%20upon%20it%20there%20comes%20a%20time%20when%20for%20every%20addition%20of%20knowledge%20you%20forget%20something%20that%20you%20knew%20before.%20It%20is%20of%20the%20highest%20importance%2C%20therefore%2C%20not%20to%20have%20useless%20facts%20elbowing%20out%20the%20useful%20ones.