To know what virtue is is not enough; we must endeavor to possess and to practice it, or in some other manner actually ourselves to become good.

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.

Rhetoric may be defined as the faculty of observing in any given case the available means of persuasion.

It is possible to fail in many ways . . . while to succeed is possible only in one way (for which reason also one is easy and the other difficult - to miss the mark easy, to hit it difficult).

To Thales the primary question was not what do we know, but how do we know it.

Wit is educated insolence.

He who is by nature not his own but another's man is by nature a slave.