Linguistic sounds, considered as external, physical phenomena have two aspects, the motor and the acoustic.
Roman JakobsonRemember that the pharynx is at a crossroads from which leads off, at the top, the passage to the mouth cavity and the passage to the nasal cavity, and below, the passage to the larynx.
Roman JakobsonThe function of poetry is to point out that the sign is not identical to the referent.
Roman Jakobson