"Error of opinion may be tolerated where reason is left free to combat it.












Reason and free inquiry are the only effectual agents against error.

More Thomas Jefferson quotes
"The more ignorant we become the less value we set on science, and the less inclination we shall have to seek it.
"Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blind-folded ...
"In a republican nation, whose citizens are to be led by reason and persuasion and not by force, the art of reasoning becomes of first importance
"They (religions) dread the advance of science as witches do the approach of daylight and scowl on the fatal harbinger announcing the subversions of th...
"It be urged that the wild and uncultivated tree, hitherto yielding sour and bitter fruit only, can never be made to yield better; yet we know that the...
"If we could believe that he [Jesus] really countenanced the follies, the falsehoods, and the charlatanism which his biographers [Gospels] father on hi...
"May it [American independence] be to the world, what I believe it will be, (to some parts sooner, to others later, but finally to all,) the signal of ...
"While the art of printing is left to us science can never be retrograde what is once acquired of real knowledge can never be lost.
"May it [American independence] be to the world, what I believe it will be, (to some parts sooner, to others later, but finally to all,) the signal of ...
"Nature intended me for the tranquil pursuits of science, by rendering them my supreme delight. But the enormities of the times in which I have lived, ...
"Even in Europe a change has sensibly taken place in the mind of man. Science has liberated the ideas of those who read and reflect, and the American e...
"Our civil rights have no dependence on our religious opinions any more than our opinions in physics or geometry...
"The main objects of all science, the freedom and happiness of man. . . . [are] the sole objects of all legitimate government.(A plaque with this quota...