I hold it, therefore, certain, that to open the doors of truth, and to fortify the habit of testing everything by reason, are the most effectual manacles we can rivet on the hands of our successors to prevent their manacling the people with their own consent.

Thomas Jefferson (1743-1826) American political philosopher, polymath, statesman, US President (1801-09)

Letter (1804-06-28) to John Tyler
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