HE great revolutions which have taken place in the world, and which have so largely contributed to human progress in knowledge, civilization, and religion, have for the most part been the Achievements of Youth. The old naturally cling to use and wont, but young hearts and hopes rally around the new. The old die in the wilderness; the young enter the promised land. New thoughts and purposes engage the opening intellect and the growing energies of the young. Decaying religions, philosophies, forms of government, and manners and customs, are invariably associated with the old; but revivals of intellectual, moral, political, social, and religious life, are connected with the young. "Perhaps," says Dr. John Young, "it is to the period of youth, as distinguished from maturer age, that the greatest amount of spiritual power, the strongest impulses, the highest activity and energy belong. Grave counsels, wholesome restraints, sagacious suggestions and modifications, issue from the experience of age. But youth has originated all the great movements of the world, and has most largely