"We associate the name of Humboldt with oceans, continents, mountains, volcanoes—with towering palms—the snow-lipped craters of the Andes—the wide deserts—with primeval forests and European capitals—with wilderness and universities—with savages and savants—with the lonely rivers of unpeopled wastes—with peaks, pampas, steppes, cliffs and crags—with the progress of the world—with every science known to man and with every star glittering in the immensity of space. Humboldt adopted none of the soul-shrinking creeds of his day; he wasted none of his time in the inanities, stupidities and contradictions of theological metaphysics; he did not endeavor to harmonize the astronomy and geology of a barbarous people with the science of the Nineteenth Century.
"Never, for one moment, did he abandon the sublime standard of truth: he investigated, he studied, he thought, he separated the gold from the dross in the crucible of his brain. He was never found on his knees before the altar of superstition. He stood erect by the tranquil column of Reason. He was an admirer, a lover, an adorer of Nature, and at the age of ninety, bowed by the weight of nearly a century, covered with the insignia of honor, loved by a nation, respected by a world, with kings for his servants, he laid his weary head upon her bosom—upon the bosom of the Universal Mother—and with her loving arms about him, sank into that slumber which we call Death.
"History added another name to the starry scroll of the immortals.
"The world is his monument; upon the eternal granite of her hills he inscribed his name, and there, upon everlasting stone, his genius wrote this, the sublimest of truths: The universe is governed by law."
WILLIAM HERSCHEL
The great number of alterations of stars that we are certain have happened within the last two centuries, and the much greater number that we have reason to suspect to have taken place, are curious features in the history of the heavens, as curious as the slow wearing away of the landmarks of our earth on mountains, on river banks, on ocean shores. If we consider how little attention has formerly been paid this subject, and that most of the observations we have are of a very late date, it would perhaps not appear extraordinary were we to admit the number of alterations that have probably happened to different stars, within our own time, to be a hundred.
—William Herschel.