I asked him if it were a mirage, and he said yes. I said it was a dream, and he agreed, But said it was the desert's dream not his. And he told me that in a year or so, when he had aged enough for any man, then he would walk into the wind, until he saw the tents. This time, he said, he would go on with them.
Neil Gaiman Smoke and Mirrors: Short Fiction and Illusions