Values provide evidence of spirit in human life.
Spirit is a creative mental force for realizing values, a force which shows signs of a superindividual growth and decline, a life of its own. This paper documents the historic rise and decline of several waves of human creativity. Evidence for the life and character of spirit is furnished by the historical rise and fall of waves of human creativity. Examples of such waves are classical music, the Italian Renaissance, the German Renaissance, Greek philosophy, Christianity, modern science. The concept of spirit is meaningful.