Single Track

Famous quotes containing the words single and/or track:

    What doubts, what hypotheses, what labyrinths of amusement, what fields of disputation, what an ocean of false learning, may be avoided by that single notion of immaterialism!
    George Berkeley (1685–1753)

    I was the conductor of the Underground Railroad for eight years, and I can say what most conductors can’t say—I never ran my train off the track and I never lost a passenger.
    Harriet Tubman (1821–1913)