Among the losses punctuation suffers through the decay of language is the slash mark or diagonal… – Theodor W. Adorno (1903–1969), “Punctuation Marks,” Notes to Literature, V

Linguists are no different from any other people who spend more than nineteen hours a day pondering the complexities of grammar and its relationship to practically everything else in order to prove that language is so inordinately complicated that it is impossible in principle for people to talk. – Ronald W. Langacker (b.1942), Language and Its Structure, 1973

There is no element in which language resembles music more than in the punctuation marks…. Exclamation points are like silent cymbal clashes, question marks like musical upbeats, colons dominant seventh chords… – Theodor W. Adorno (1903–1969), “Punctuation Marks,” Notes to Literature, V