The critical principle demanded an examination, for instance, of the contribution of different periods, thus to some extent embarking on historical linguistics.

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Speech has both an individual and a social side, and we cannot conceive of one without the other.

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Time changes all things; there is no reason why language should escape this universal law.

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In fact, from then on scholars engaged in a kind of game of comparing different Indo-European languages with one another, and eventually they could not fail to wonder what exactly these connections showed, and how they should be interpreted in concrete terms.

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Linguistics will have to recognise laws operating universally in language, and in a strictly rational manner, separating general phenomena from those restricted to one branch of languages or another.

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The first of these phases is that of grammar, invented by the Greeks and carried on unchanged by the French. It never had any philosophical view of a language as such.

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Without language, thought is a vague, uncharted nebula.

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A linguistic system is a series of differences of sound combined with a series of differences of ideas.

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Henceforth, language studies were no longer directed merely towards correcting grammar.

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Outside speech, the association that is made in the memory between words having something in common creates different groups, series, families, within which very diverse relations obtain but belonging to a single category: these are associative relations.

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