Famous quotes containing the words maintain and/or stability:
“It has long been a grave question whether any government, not too strong for the liberties of its people, can be strong enough to maintain its own existence, in great emergencies.”
—Abraham Lincoln (1809–1865)
“Two things in America are astonishing: the changeableness of most human behavior and the strange stability of certain principles. Men are constantly on the move, but the spirit of humanity seems almost unmoved.”
—Alexis de Tocqueville (1805–1859)