Franklin D. Roosevelt's campaign address on the Federal Budget in Pittsburgh, Pennsylvania (October 19, 1932), as quoted in "The Public Papers and Addresses of Franklin D. Roosevelt, 1928-1932" (p. 809), 1938.
Patricia Garfield (1995). “Creative Dreaming: Plan And Control Your Dreams To Develop Creativity Overcome Fears Solve Proble”, p.84, Simon and Schuster