Leibnitz saw the Law of Progress by intuition, and became its herald. But there is no reason to believe that he appreciated its transcendent importance as a rule of conduct, and submitted his great powers to its influence. He saw more than Vico, but he did not discern the practical guide he had discovered. And yet, recognizing this law, the gates of the Future were open to him, and he saw Man in distant perspective, arrived at heights of happiness which he cannot now conceive. The vision of Universal Peace was to him no longer a vision, but the practical idea of humane statesmen, while he bent his incomparable genius to the discovery of a new agent of intercourse among men,--the aspiration of other philosophers since his day,--a Universal Language, where the confusion of tongues will be forgotten, and the union of hearts be consummated in the union of speech. Close upon Leibnitz came Lessing, whose genius, less universal, but more exquisite, made him the regenerator of German literature. His soul was touched by sympathy for all mankind, and he saw its sure advance. Almost by his side was Herder, gifted among a gifted people, who in his "Philosophy of History" portrays Humanity in its incessant progress from small beginnings of ignorance and barbarism, when wrong and war and slavery prevail, to the recognition of reason and justice as the rule of life. "There is nothing enthusiastical," he says in that work, which is a classic of German prose, "in the hope, that, wherever men dwell, at some future period will dwell men rational, just, and happy,--happy, not through the means of their own reason alone, but of the common reason of their whole fraternal race."[249] In these last words the Law of Progress is announced, with all its promises. [249] Philosophie der Geschichte der Menschheit, tr. Churchill, Book XV. ch. 5, § 12.