What is PIN number?

Famous quotes containing the words number and/or pin:

    I who have been involved with all styles of painting can assure you that the only things that fluctuate are the waves of fashion which carry the snobs and speculators; the number of true connoisseurs remains more or less the same.
    Pablo Picasso (1881–1973)

    A man is a beggar who only lives to the useful, and, however he may serve as a pin or rivet in the social machine, cannot be said to have arrived at self-possession.
    Ralph Waldo Emerson (1803–1882)