Then there is the other secret. There isn't any symbolysm [sic]. The sea is the sea. The old man is an old man. The boy is a boy and the fish is a fish. The shark are all sharks no better and no worse. All the symbolism that people say is shit. What goes beyond is what you see beyond when you know.
Letter to Bernard Berenson (13 September 1952); published in Ernest Hemingway: Selected Letters 1917–1961 (1981) edited by Carlos Baker