I have answered this at Quora.
The Snows of Kilimanjaro by Ernest Hemingway.
“The cot the man lay on was in the wide shade of a mimosa tree and as he looked out past the shade onto the glare of the plain there were three of the big birds squatted obscenely, while in the sky a dozen more sailed, making quick-moving shadows as they passed.”
“Now he would never write the things that he had saved to write until he knew enough to write them well. Well, he would not have to fail at trying to write them either. Maybe you could never write them, and that was why you put them off and delayed the starting. Well he would never know, now.”