On January 20, 1961, President John F. Kennedy delivered his inaugural address in which he announced that "we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe to assure the
survival and success of liberty."
Papers of John F. Kennedy: President's Office Files, 01/20/1961-11/22/1963; John F. Kennedy Library;
National Archives and Records Administration.