The man who does not do his own thinking is a slave, and is a traitor to himself and to his fellowmen.
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About Robert G. Ingersoll
Robert G. Ingersoll was a 19th-century agnostic, lawyer, politician and orator. Robert Green Ingersoll, nicknamed "the Great Agnostic", was an American lawyer, writer, and orator during the Golden Age of Free Thought, who campaigned in defense of agnosticism. Read more on Wikipedia →