It was too directly bound to its own anguish to be anything other than a
cry of negation; carrying within itself, the seeds of its own
destruction.
-- Edward
Ruscha and
Mason
Williams,
Royal
Road Test (1967, third edition 1971) [epigraph, p3].
[In the movie
California Typewriter (2016) Mason Williams
attributes this quotation to last sentence of the
Encyclopedia
Britannica entry on "Dada."]