It is scarcely possible that the eyes of contemporaries should discover in the public felicity the latent causes of decay and corruption. This long peace, and the uniform government of the Romans, introduced a slow and secret poison into the vitals of the empire. The minds of men were gradually reduced to the same level, the fire of genius was extinguished, and even the military spirit evaporated.

I understand by this passion the union of desire, friendship, and tenderness, which is inflamed by a single female, which prefers her to the rest of her sex, and which seeks her possession as the supreme or the sole happiness of our being.

Although the progress of civilisation has undoubtedly contributed to assuage the fiercer passions of human nature, it seems to have been less favourable to the virtue of chastity, whose most dangerous enemy is the softness of the mind. The refinements of life corrupt while they polish the intercourse of the sexes. The gross appetite of love becomes most dangerous when it is elevated, or rather, indeed, disguised by sentimental passion.

Language is the leading principle which unites or separates the tribes of mankind.

A nation ignorant of the equal benefits of liberty and law, must be awed by the flashes of arbitrary power: the cruelty of a despot will assume the character of justice; his profusion, of liberality; his obstinacy, of firmness.

Their poverty secured their freedom, since our desires and our possessions are the strongest fetters of despotism.

The ancients were destitute of many of the conveniences of life which have been invented or improved by the progress of industry; and the plenty of glass and linen has diffused more real comforts among the modern nations of Europe than the senators of Rome could derive from all the refinements of pompous or sensual luxury.