We have no Constitution which functions in the absence of a moral people

The longer I live, the more I read, the more patiently I think, and the more anxiously I inquire, the less I seem to know...Do justly. Love mercy. Walk humbly [with your God]. This is enough.

I must study Politicks and War that my sons may have liberty to study Mathematicks and Philosophy. My sons ought to study Mathematicks and Philosophy, Geography, natural History, Naval Architecture, navigation, Commerce and Agriculture, in order to give their Children a right to study Painting, Poetry, Musick, Architecture, Statuary, Tapestry and Porcelaine. (12 May 1780)

A single assembly will never be a steady guardian of the laws, if Machiavel is right, when he says, Men are never good but through necessity: on the contrary, when good and evil are left to their choice, they will not fail to throw every thing into disorder and confusion. Hunger and poverty may make men industrious, but laws only can make them good; for, if men were so of themselves, there would be no occasion for laws; but, as the case is far otherwise, they are absolutely necessary.

Oh! the wisdom, the foresight and the hindsight and the rightsight and the leftsight, the northsight and the southsight, and the eastsight and the westsight that appeared in that august assembly.

When philosophic reason is clear and certain by intuition or necessary induction, no subsequent revelation supported by prophecies or miracles can supersede it.

Remember, democracy never lasts long. It soon wastes, exhausts, and murders itself. There never was a democracy yet that did not commit suicide. It is in vain to say that democracy is less vain, less proud, less selfish, less ambitious, or less avaricious than aristocracy or monarchy. It is not true, in fact, and nowhere appears in history. Those passions are the same in all men, under all forms of simple government, and when unchecked, produce the same effects of fraud, violence, and cruelty.