Nothing is more incumbent on the old than to know when they should get out of the way and relinquish to younger successors the honors they can no longer earn, and the duties they can no longer perform.

Laws and institutions must go hand in hand with the progress of the human mind. . . . We might as well require a man to wear the coat which fitted him when a boy as civilized society to remain forever under the regimen of their barbarous ancestors.

I do not believe war the most certain means of enforcing principles. Those peaceable coercions which are in the power of every nation, if undertaken in concert and in time of peace, are more likely to produce the desired effect.

Ridicule is the only weapon which can be used against unintelligible propositions. Ideas must be distinct before reason can act upon them; and no man ever had a distinct idea of the trinity. It is the mere Abracadabra of the mountebanks calling themselves the priests of Jesus.

On the subject of the history of the American Revolution, you ask who shall write it? Who can write it? And who will ever be able to write it? Nobody, except merely its external facts... all its councils, designs and discussions having been conducted by Congress [behind] closed doors - and no members, as far as I know, having even made notes of them. These, which are the life and soul of history, must forever be unknown.

Natural rights [are] the objects for the protection of which society is formed and municipal laws established.

I hold it to be one of the distinguishing excellences of elective over hereditary successions that the talents which nature has provided in sufficient proportion, should be selected by the society for the govenment of their affairs, rather than that this should be be transmitted through the loins of knaves and fools passing from the debauches of the table to those of the bed.