The shape of the heaven is of necessity spherical; for that is the shape most appropriate to its substance and also by nature primary.

Bashfulness is an ornament to youth, but a reproach to old age.

The virtue of the good man is necessarily the same as the virtue of the citizen of the perfect state.

It is this simplicity that makes the uneducated more effective than the educated when addressing popular audiences-makes them, as the poets tell us, 'charm the crowd's ears more finely.' Educated men lay down broad general principles; uneducated men argue from common knowledge and draw obvious conclusions.

Virtue makes us aim at the right end, and practical wisdom makes us take the right means.

Now the greatest external good we should assume to be the thing which we offer as a tribute to the gods, and which is most coveted by men of high station, and is the prize awarded for the noblest deeds; and such a thing is honor, for honor is clearly the greatest of external goods.

What soon grows old? Gratitude.