[…] the realm of formal relation is infinite, unexhausted by the formal resources of even the richest language, or of all languages: however much may be expressed, there is vastly more of the same kind left unexpressed, to be inferred by the intelligent mind from the perceived conditions of the particular case, or passed over as unessential to the ordinary purposes of communication […] There are no relations to which a language must necessarily give expression; there are only certain ones which are more naturally suggested, of which the expression is more practically valuable, than others […].
- Whitney (1875), a pag.221