Marcel Proust said this quote
“ ...the mode by which he heard the universe and projected it far beyond himself. Perhaps it was in this, I said to Albertine, this unknown quality of a unique world which no other composer had ever yet revealed, that the most authentic proof of genius lies, even more than in the content of the work itself. Even in literature?” Albertine inquired. “Even in literature.” And thinking again of the sameness of Vinteuil’s works, I explained to Albertine that the great men of letters have never created more than a single work, or rather have never done more than refract through various media an identical beauty which they bring into the world. “If it were not so late, my sweet,” I said to her, “I would show you this quality in all the writers whose works you read while I’m asleep, I would show you the same identity as in Vinteuil. These key-phrases, which you are beginning to recognise as I do, my little Albertine, the same in the sonata, in the septet, in the other works, would be, say for instance in Barbey dAurevilly, a hidden reality revealed by a physical sign, the physiological blush... ”