Coming in among us by hundreds and thousands, as they now are and for years have been, their gentler and fiercer passions, like meadow rivulets and mountain torrents, mixing in with and modifying our own, and their art, science and literature, their hardhandedness and willingheartedness, and their experiences of life generally, giving to and receiving from ours new impulses and new directions, the whole soon flow together in one common stream of Humanity, which will be found irresistible by any barriers that may oppose its course, and inevitably give new and peculiar aspects to the region and the era wherein it holds its way.