The lyric from “Daisy Bell” ends “I'm half crazy, all for the love of you.”
Harry Dacre wrote the song in 1892, and its full title was “Daisy Bell (Bicycle Built for Two).” The chorus is spoken by a lovestruck narrator addressing Daisy, so “you” is the canonical completion—not the name Daisy, which appears earlier in the refrain.
The song became an early landmark in computing history. In 1961, an IBM 7090 computer at Bell Labs was programmed to sing it using speech synthesis. Arthur C. Clarke later drew on that demonstration in 2001: A Space Odyssey, where HAL sings the song while being deactivated.
A common mix-up comes from the chorus’s repeated opening: “Daisy, Daisy” can make the answer seem likely to be “Daisy,” but the grammatical phrase is “all for the love of you.”