93% sureThese words were traced back to where they first appeared. That source is listed below.
What turned up
'Franz Schubert,' The Century Illustrated Monthly Magazine, July 1894, p. 344 (essay under Dvořák's byline in the magazine's Great Composers series).
Work
Franz Schubert (essay), The Century Illustrated Monthly Magazine, July 1894
Occasion
1894 · New York, USA · from his essay on Franz Schubert, arguing that symphonies should not run too long
Sources checked
archive.orgChecked using claude-fable-5, 22 August 2026July 1894 issue scan, essay pp. 341-346; p. 344, ending his paragraph arguing symphonies are made too long. Read in full; paragraph closes on this sentence, no reversal.