Reason and free inquiry are the only effective agents against error. Give a loose to them, they will support the true religion by bringing every false one to their tribunal, to the test of their investigation. They are the natural enemies of error and error only. Had not the Roman government permitted free inquiry, Christianity could never have been introduced. Had not free inquiry been indulged at the era of the Reformation, the corruption of Christianity could not have been purged away.
Thomas JeffersonIf thinking men would have the courage to think for themselves, and to speak what they think, it would be found they do not differ in religious opinions as much as is supposed.
Thomas JeffersonVery many and very meritorious were the worthy patriots who assisted in bringing back our government to its republican tack. To preserve it in that, will require unremitting vigilance.
Thomas JeffersonNothing is more certainly written in the book of fate than that these people are to be free. Nor is it less certain that the two races, equally free, cannot live in the same government. Nature, habit, opinion has drawn indelible lines of distinction between them.
Thomas Jefferson