We do not believe any group of men adequate enough or wise enough to operate without scrutiny or without criticism. We know that the only way to avoid error is to detect it, that the only way to detect it is to be free to inquire. We know that in secrecy error, undetected, will flourish and subvert.
"Encouragement of Science". J. Robert Oppenheimer's address at Science Talent Institute (March 6, 1950), as quoted in "Bulletin of the Atomic Scientists", Volume 7, No. 1 (pp. 6-8), January 1951.