Where two motives, neither of them perfectly justifiable, may be assigned, the worst has the chance of being preferred.

Society is indeed a contract. ... It is a partnership in all science; a partnership in all art; a partnership in every virtue, and in all perfection.

He who calls in the aid of an equal understanding doubles his own; and he who profits by a superior understanding raises his powers to a level with the height of the superior standing he unites with.

We are in a war of a peculiar nature. It is not with an ordinary community, which is hostile or friendly as passion or as interest may veer about: not with a state which makes war through wantonness, and abandons it through lassitude. We are at war with a system, which by its essence, is inimical to all other governments, and which makes peace or war, as peace and war may best contribute to their subversion. It is with an armed doctrine that we are at war. It has, by its essence, a faction of opinion, and of interest, and of enthusiasm, in every country.

For my part, I am convinced that the method of teaching which approaches most nearly to the method of investigation is incomparably the best; since, not content with serving up a few barren and lifeless truths, it leads to the stock on which they grew.

He only deserves to be remembered by posterity who treasures up and preserves the history of his ancestors.

Men are qualified for civil liberty in exact proportion to their disposition to put moral chains upon their own appetites…in proportion as they are more disposed to listen to the counsels of the wise and good, in preference to the flattery of knaves. Society cannot exist, unless a controlling power upon will and appetite be placed somewhere; and the less of it there is within, the more there must be without. It is ordained in the eternal constitution of things, that men of intemperate minds cannot be free. Their passions forge their fetters.