Beyond paint, small rebellions reverberate in other arts and fields. At the 1913 premiere of Stravinsky’s The Rite of Spring, pounding meters and tonal ruptures sparked an uproar in the Théâtre des Champs-Élysées—proof that a rhythmic departure can rewrite a listener’s expectations. Marcel Duchamp’s Fountain (1917) turned a urinal into sculpture with a flipped context and a simple signature, “R. Mutt,” demonstrating how a minimal gesture can reframe an entire category. Even in science, Einstein’s 1905 insistence on the constancy of light—more an audacious assumption than an equation—realigned physics. In each case, the “line” is a small, testable deviation that pressures the whole system to reorganize around it. [...]