Nothing is a greater obstacle to our progress in knowledge, than a bad performance of a celebrated author; because, before we instruct we must begin … - Montesquieu

Translation: Horace and Aristotle told us of the virtues of their fathers, and the vices of their own time, and authors down through the centuries have told us the same. If they were right, men would now be bears.

There are only two cases in which war is just: first, in order to resist the aggression of an enemy, and second, in order to help an ally who has been attacked.

Democratic and aristocratic states are not in their own nature free. Political liberty is to be found only in moderate governments; and even in these it is not always found. It is there only when there is no abuse of power. But constant experience shows us that every man who has power is inclined to abuse it; he goes until he finds limits. Is it not strange, though true, to say that virtue itself has need of limits?.
To prevent this abuse, it is necessary that, by the arrangement of things, power shall stop power. A government may be so constituted, as no man shall be compelled to do things to which the law does not oblige him, nor forced to abstain from things which the law permits.