I found the quote in an article by Zygmunt Stojowski entitled "The Evolution of Style and Interpretation In Piano Literature", published in Polish Music Journal Vol. 4, No. 1, Summer 2001. ISSN 1521 - 6039.https://www.usc.edu/dept/polish_music/PMJ/issue/4.1.01/stojowskievolution.html"I want no interpretation, it is enough to play what is written"-RavelHis students also attested to this, saying that performances of his work should not deviate one iota from what is printed. This is of course contradictory to the sound of Ravel's own piano recordings, according to this website in a review by Anatole Leikin:https://www.sfcv.org/arts_revs/danielglover_8_19_03.php