May [our Declaration of 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 arousing men to burst the chains under which monkish ignorance and superstition had persuaded them to bind themselves, and to assume the blessings and security of self-government... All eyes are opened, or opening, to the rights of man.
Thomas Jefferson[If a book were] very innocent, and one which might be confided to the reason of any man; not likely to be much read if let alone, but if persecuted, it will be generally read. Every man in the United States will think it a duty to buy a copy, in vindication of his right to buy and to read what he pleases.
Thomas JeffersonNature [has] implanted in our breasts a love of others, a sense of duty to them, a moral instinct, in short, which prompts us irresistibly to feel and to succor their distresses.
Thomas JeffersonSelf-love . . . is the sole antagonist of virtue, leading us constantly by our propensities to self-gratification in violation of our moral duties to others.
Thomas JeffersonIn every country where man is free to think and to speak, difference of opinion will arise from difference of perception, and the imperfection of reason; but these differences, when permitted, as in this happy country, to purify themselves by free discussion, are but as passing clouds overspreading our land transiently, and leaving our horizon more bright and serene.
Thomas Jefferson