Famous quotes containing the words system and/or theory:
“Nothing is so well calculated to produce a death-like torpor in the country as an extended system of taxation and a great national debt.”
—William Cobbett (1762–1835)
“Won’t this whole instinct matter bear revision?
Won’t almost any theory bear revision?
To err is human, not to, animal.”
—Robert Frost (1874–1963)