p>SECTION 1. THE WORLD.
Though in some sense every age is one of transition and every generation sees the world remodelled, there sometimes comes a change so startling and profound that it seems like the beginning of a new season in the world's great year. The snows of winter melt for weeks, the cold winds blow and the cool rains fall, and we see no change until, almost within a few days, the leaves and blossoms put forth their verdure, and the spring has come.
Such a change in man's environment and habits as the world has rarely seen, took place in the generation that reached early manhood in the year 1500. [Sidenote: 1483-1546] In the span of a single life--for convenience let us take that of Luther for our measure--men discovered, not in metaphor but in sober fact, a new heaven and a new earth. In those days masses of men began to read many books, multiplied by the new art of printing. In those days immortal artists shot the world through with a matchless radiance of color and of meaning. In