From Ernest Hemingway’s A Moveable Feast :
I was learning something from the painting of Cezanne that made writing simple true sentences far from enough to make the stories have the dimensions that I was trying to put in them. I was learning very much from him but I was not articulate enough to explain it to anyone. Besides it was a secret.
I learned to understand Cezanne much better and to see truly how he made landscapes when I was hungry. I used to wonder if were hungry too when he painted; but I thought possibly it was only that he had forgotten to eat. It was one of those unsound but illuminating thoughts you have when you have been sleepless or hungry. Later I thought Cezanne was probably hungry in a different way.