A time-honored concept of Anglo-Saxon justice declares that a man is innocent until proven guilty. I believe that in a democratic society a man is similarly loyal until proven disloyal. No testaments of faith, no protestations of affection for his native land, and no amount of signatures will prove a bloody thing — one way or the other — as to a man’s patriotism or lack thereof.
Rod Serling (1924-1975) American screenwriter, playwright, television producer, narrator
Speech, Moorpark College, Moorpark, California (3 Dec 1968)
(Source)
Serling had refused to sign a loyalty oath before speaking, giving up the fee for his appearance.