First of all, let me assert my firm belief that the only thing we have to fear is fear itself - nameless, unreasoning, unjustified terror which paralyzes needed efforts to convert retreat into advance.
Franklin D. Roosevelt, First Inaugural Address, Mar. 4, 1933

The only limit to our realization of tomorrow will be our doubts of today.
Franklin D. Roosevelt, message for Jefferson Day, April 13, 1945

Men are not prisoners of fate, but only prisoners of their own minds.
Franklin D. Roosevelt, Pan American Day address, April 15, 1939