What is sound?

Famous quotes containing the word sound:

    We can say that the sound is the primary object of the act of hearing, and that the act of hearing itself is the secondary object.
    Franz Clemens Brentano (1838–1917)

    The hills are alive with the sound of music.
    Oscar Hammerstein II (1895–1960)

    Faith in reason as a prime motor is no longer the criterion of the sound mind, any more than faith in the Bible is the criterion of righteous intention.
    George Bernard Shaw (1856–1950)