Never argue with a fool, onlookers may not be able to tell the difference.
—Mark Twain
—Thomas Jefferson (1743-1826), 3rd U.S. President
Many more quotables here…
(Seen somewhere along the way… perhaps it was ‘Pilgrim’s Progress’?)
—Henri Matisse (1869-1954)
—R. Buckminster Fuller (1895-1983)
(Thanks to RaShelle S. Roberts for the quotable).