Religious wars are not caused by the fact that there is more than one religion, but by the spirit of intolerance... the spread of which can only be regarded as the total eclipse of human reason.

The success of most things depends upon knowing how long it will take to succeed.

You have to study a great deal to know a little.

The culminating point of administration is to know well how much power, great or small, we ought to use in all circumstances.

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.

But constant experience shows us that every man invested with power is apt to abuse it, and to carry his authority as far as it will go.

In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.