A nation that silences or intimidates original minds is left only with unoriginal minds and cannot hope to hold its own in the competition of peace or of war.

Henry Steele Commager (1902-1998) American historian, writer, activist

“Free Enterprise in Ideas,” Freedom, Loyalty, Dissent (1954)
    (Source)

Originally published in the Saturday Review (1952), based on a speech to the Advertising Council's American Round Table, New York City (1951).