Here in America we are descended in blood and spirit from revolutionaries and rebels — men and women who dared to dissent from accepted doctrine. As their heirs, may we never confuse honest dissent with disloyal subversion.

Dwight David Eisenhower (1890-1969) American general, US President (1953-61)

Speech, Columbia University Bicentennial Dinner, New York City (31 May 1954)