What it lies in our power to do, it lies in our power not to do.

No science ever defends its first principles.

The form of government is a democracy when the free, who are also poor and the majority, govern, and an oligarchy when the rich and the noble govern, they being at the same time few in number.

God and nature create nothing that does not fulfill a purpose

The virtue as the art consecrates itself constantly to what's difficult to do, and the harder the task, the shinier the success.

Nature operates in the shortest way possible.

It is clearly better that property should be private, but the use of it common; and the special business of the legislator is to create in men this benevolent disposition.