The heroic discovery of America, at the close of the fifteenth century after Christ, has compelled the generous and just admiration of the world; but the grandeur of human enterprise and achievement in the discovery of the western hemisphere has a less claim on our admiration than that divine wisdom and controlling providence which, for reasons now manifested, kept the secret hidden through so many millenniums, in spite of continual chances of disclosure, until the fullness of time. How near, to "speak as a fool," the plans of God came to being defeated by human enterprise is illustrated by unquestioned facts. The fact of medieval exploration,.