Full Idea
Languages have the fault of containing expressions which fail to designate an object.
Gist of Idea
It is a weakness of natural languages to contain non-denoting names
Source
Gottlob Frege (On Sense and Reference [1892], p.40)
Book Reference
Frege,Gottlob: 'Translations from the Writings of Gottlob Frege', ed/tr. Geach,P/Black,M [Blackwell 1980], p.69
A Reaction
Wrong, Frege! This is a strength of natural languages! Names are tools. It isn't a failure of your hammer if you can't find any nails.
Related Idea
Idea 13777 A name is a sort of tool [Plato]