[...] variation is common to all normal speakers of the language and is dependent on the phonetic conditions in which the fundamental sound ('point of pattern') occurs.
- Sapir (1925), a pag.37

[...] the mechanical English vocalic relation 'bad.bat' would in many languages be quite marked enough to indicate a relation of distinct points of the pattern [...]
- Sapir (1925), a pag.37

A 'place' is [...] found for a sound [...] as a true point in the pattern [...] in such a system because of a general feeling of its phonetic relationship resulting from all the specific phonetic relationships[...] to other sounds.
- Sapir (1925), a pag.42