Russian speakers, who make an extra distinction between light and dark blues in their language, are better able to visually discriminate shades of blue.

WSJ: Does Language Influence Culture?

The mental health metaphor also has the distinction of having been deployed by that noted savant of the English language, Katie Price.

BBC: Magazine

Mr Osborne has been criticised by Labour for some of the language he has used over welfare - particularly when he sought to draw a distinction between those going to work early in the morning and others whose "curtains were closed".

BBC: Sarah Teather

Mr Quine developed a theory of language according to which truths of fact blend into truths of meaning, so that there is no absolute distinction between the two.

ECONOMIST: Willard Quine