He stretched out his arms toward the dark water in a curious way, and, far as I was from him, I could have sworn he was trembling. Involuntarily I glanced seaward – and distinguished nothing except a single green light, minute and far away. When I looked once more for Gatsby he had vanished, and I was alone again in the unquiet darkness.

F. Scott Fitzgerald

The Great Gatsby. Chapter 1, for Gatsby the green light at end of Daisy’s dock represents the American Dream and his dream of being reunited with Daisy, the woman he loves. It is a constantly recurring symbol in the novel.