Democracy has two excesses to avoid: the spirit of inequality, which leads to an aristocracy, or to the government of a single individual; and the spirit of extreme equality, which conducts it to despotism, as the despotism of a single individual finishes by conquest.

Slavery, properly so called, is the establishment of a right which gives to one man such a power over another as renders him absolute master of his life and fortune.

When one wants to change manners and customs, one should not do so by changing the laws.

I have read descriptions of Paradise that would make any sensible person stop wanting to go there.

Vanity is as advantageous to a government as pride is dangerous. To be convinced of this we need only represent, on the one hand,the numberless benefits which result from vanity, as industry, the arts, fashions, politeness, and taste; and on the other, the infinite evils which spring from the pride of certain nations, a laziness, poverty, a total neglect of everything.

They who love to inform themselves, are never idle. Though I have no business of consequence to take care of, I am nevertheless continually employed. I spend my life in examining things: I write down in the evening whatever I have remarked, what I have seen, and what I have heard in the day: every thing engages my attention, and every thing excites my wonder: I am like an infant, whose organs, as yet tender, are strongly affected by the slightest objects.

Laws, in their most general signification, are the necessary relations arising from the nature of things. In this sense all beings have their laws: the Deity His laws, the material world its laws, the intelligences superior to man their laws, the beasts their laws, man his laws.