Without Language, Thought Is A Vague, Uncharted

It Is One Of The Aims Of Linguistics To Define Itself, To Recognise What Belongs Within Its Domain. In Those Cases Where It Relies Upon Psychology, It Will Do So Indirectly, Remaining Independent.

A Language Presupposes That All The Individual Users Possess The Organs.

Speech Has Both An Individual And A Social Side, And We Cannot Conceive Of One Without The Other.

Psychologically Our Thought-apart From Its Expression In Words-is Only A Shapeless And Indistinct Mass.

The Critical Principle Demanded An Examination, For Instance, Of The Contribution Of Different Periods, Thus To Some Extent Embarking On Historical Linguistics.