After mice, the second most intelligent species on Earth were the dolphins.The dolphins had long known of the impending demolition of Earth and had made many attempts to alert mankind to the danger…The last ever dolphins message was misinterpreted as a surprisingly sophisticated attempt to do a double backward somersault through a hoop whilst whistling “The Star-Spangled Banner,” but in fact the message was this: “So Long, and Thanks for All the Fish.”—Douglas Adams, The Hitchhikers Guide to the Galaxy

via Phrases from The Hitchhikers Guide to the Galaxy