“They say any artist paying six dollars may exhibit
Mr. Richard Mutt [= Duchamp himself; an inscription written by Duchamp] sent in a fountain. Without discussion this article disappeared and never was exhibited.
What were the grounds for refusing Mr. Mutt fountain:
1. Some contented it was immoral, vulgar.
2. Others, it was plagiarism, a plain piece of plumbing.
Now, Mr. Mutt fountain is not immoral, that is absurd, no more than a bit tube is immoral. It is a fixture that you see every day in plumber’s show windows.
Whether Mr. Mutt with his own hands made this fountain or not has no importance. He CHOSE it. He took an ordinary article of life, placed it so that's its useful significance disappeared under the new title ['The Richard Mutt Case'] and point of view – created a new thought for that object.
As for plumbing, that is absurd. The only works of art America has given are her plumbing and her bridges.”

quote, 1917
Quote in: Theories and Documents of Contemporary Art, – a source-book of Artist's writings, ed. Kristine Stiles / Peter Selz, University of California Press, London, England, 1996, p. 817
Duchamp's core quote / his own written comment on his artwork 'Fountain (Duchamp)': The Richard Mutt Case, Marcel Duchamp, ‘Blind Man’, New York, 1917: 5
1915 - 1925