Life is only meaningful when we are striving for a goal .

Every art and every inquiry, and similarly every action and choice, is thought to aim at some good; and for this reason the good has rightly been declared to be that at which all things aim.

Ancient laws remain in force long after the people have the power to change them.

The most perfect political community is one in which the middle class is in control, and outnumbers both of the other classes.

A democracy is a government in the hands of men of low birth, no property, and vulgar employments.

I will not allow the Athenians to sin twice against philosophy.

Neither should men study war with a view to the enslavement of those who do not deserve to be enslaved; but first of all they should provide against their own enslavement, and in the second place obtain empire for the good of the governed, and not for the sake of exercising a general despotism, and in the third place they should seek to be masters only over those who deserve to be slaves.