It is the mark of an educated mind to expect that amount of exactness which the nature of the particular subject admits. It is equally unreasonable to accept merely probable conclusions from a mathematician and to demand strict demonstration from an orator.

People of superior refinement and of active disposition identify happiness with honour; for this is roughly speaking, the end of political life.

Pleasure causes us to do base actions and pain causes us to abstain from doing noble actions.

Democracy is the form of government in which the free are rulers, and oligarchy in which the rich; it is only an accident that the free are the many and the rich are the few.

Happiness is prosperity combined with virtue.

It is possible to fail in many ways...while to succeed is possible only in one way.

Emotions of any kind are produced by melody and rhythm; therefore by music a man becomes accustomed to feeling the right emotions; music has thus the power to form character, and the various kinds of music based on various modes may be distinguished by their effects on character.