In poetic language, in which the sign as such takes on an autonomous value, this sound symbolism becomes an actual factor and creates a sort of accompaniment to the signified.

What's next? Shall we appoint elephants to teach zoology?

Acoustic phonetics, which is developing and increasing in richness very rapidly, already enables us to solve many of the mysteries of sound, mysteries which motor phonetics could not even begin to solve.

Linguistic sounds, considered as external, physical phenomena have two aspects, the motor and the acoustic.

It is once again the vexing problem of identity within variety; without a solution to this disturbing problem there can be no system, no classification.

A new era in the physiological investigation of linguistic sounds was opened up by X-ray photography.

Bilingualism is for me the fundamental problem of linguistics.