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)