This, then, was Discovery. And in the progress of discovery we may trace the progress of mind. We can but wonder now, when we see our little earth belted with steam and lightning, how reluctantly the infant intellect left its cradle to examine its surroundings. Wrapped in its Mediterranean swaddlings, it crept forth timidly, tremblingly, slowly gaining courage with experience, until, throwing off impediments, it trod the earth in the fearless pride of manhood. Like all science, philosophy, and religion, cosmography was at first a superstition. Walled within narrow limits, as we have seen, by imaginary frost and fire, shaken from fear of heaven above and hell beneath, there is little wonder that the ancients dared not venture far from home; nor that, when men began to explore parts unknown, there should appear that romance of geography so fascinating to the Greek mind, that halo thrown by the dimness of time and distance over strange seas and lands. From this time to that of the adaptation of the magnet to purposes of navigation, about a score of centuries, there was little progress in discovery. Is it not strange how the secrets of nature, one after another, reveal themselves according to man's necessities? Who would have looked for the deliverance of pent-up humanity from certain mysterious qualities in magnetic iron ore, which floated toward the north that side of a cork on which it was placed? When Vasco da Gama and Columbus almost simultaneously opened to Europe oceanic highways through which were destined to flow the treasures of the eastern and the western Indies, then it was that a new quality was discovered in the loadstone; for in addition to its power to take up iron, it was found to possess the rare virtue of drawing gold and silver from distant parts into the coffers of European princes; then it was that paths were marked out across the Sea of Darkness, and ships passed to and fro bearing the destroyers of nations, and laden with their spoils. CHAPTER II. COLUMBUS AND HIS DISCOVERY. 1492-1500.