So, 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 Delano Roosevelt (1882-1945) American lawyer, politician, statesman, US President (1933-1945)
First Inaugural Address (4 Mar 1933)
    (Source)

See Bacon.