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Robert Green Ingersoll Quotes about Progress

Liberty is the breath of progress.

Robert Green Ingersoll (1907). “The works of Robert G. Ingersoll”, p.978, Library of Alexandria

Liberty is the condition of progress. Without Liberty, there remains only barbarism. Without Liberty, there can be no civilization.

Robert Green Ingersoll, Isaac Newton Baker (1899). “Trial of C.B. Reynolds for Blasphemy, at Morristown, N.J., May 19th and 20th, 1887”

The history of intellectual progress is written in the lives of infidels.

Robert Green Ingersoll (1907). “The works of Robert G. Ingersoll”, p.759, Library of Alexandria