Human memory is a marvelous but fallacious instrument.... The memories which lie within us are not carved in stone; not only do they tend to become erased as the years go by, but often they change, or even increase by incorporating extraneous features.
Source: The Drowned and the Saved, ch. 1, 1988.
-- Primo Levi, (Jul 31 1919-1987), Italian-Jewish writer, chemist; He was noted for his restrained and moving autobiographical account of and reflections on survival in the Nazi concentration camps.