“Do you think that God will punish them for not practicing a religion which he did not reveal to them?”

Lunch kills half of Paris, supper the other half.

When the [law making] and [law enforcement] powers are united in the same person… there can be no liberty.

They who assert that a blind fatality produced the various effects we behold in this world talk very absurdly; for can anything be more unreasonable than to pretend that a blind fatality could be productive of intelligent beings.

Vanity and pride of nations; vanity is as advantageous to a government as pride is dangerous.

It is always the adventurous who accomplish great things.

It is always the adventurers who do great things, not the sovereigns of great empires.

We ought to be very cautious and circumspect in the prosecution of magic and heresy. The attempt to put down these two crimes may be extremely perilous to liberty.

Not to be loved is a misfortune, but it is an insult to be loved no longer.

Christianity stamped its character on jurisprudence; for empire has ever a connection with the priesthood.

An empire founded by war has to maintain itself by war.

Thus the creation, which seems an arbitrary act, supposes laws as invariable as those of the fatality of the Atheists. It would be absurd to say that the Creator might govern the world without those rules, since without them it could not subsist.

Passion makes us feel, but never see clearly.

The state of slavery is in its own nature bad.

To love to read is to exchange hours of ennui for hours of delight.

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

We receive three educations, one from our parents, one from our school-masters, and one from the world. The third contradicts all that the first two teach us.