Famous quotes containing the words speed, world and/or challenge:
“Among the laws controlling human societies there is one more precise and clearer, it seems to me, than all the others. If men are to remain civilized or to become civilized, the art of association must develop and improve among them at the same speed as equality of conditions spreads.”
—Alexis de Tocqueville (1805–1859)
“Peace can endure only so long as humanity really insists upon it, and is willing to work for it and sacrifice for it. Twenty- five years ago American fighting men looked to the statesmen of the world to finish the work of peace for which they fought and suffered; we failed them, we failed them then, we cannot fail them again and expect the world to survive again.”
—Franklin D. Roosevelt (1882–1945)
“Women must try to do things as men have tried. When they fail their failure must be but a challenge to others.”
—Amelia Earhart (1897–1937)