A city is composed of different kinds of men; similar people cannot bring a city into existence.

We ought not to listen to those who exhort us, because we are human, to think of human things....We ought rather to take on immortality as much as possible, and do all that we can to live in accordance with the highest element within us; for even if its bulk is small, in its power and value it far exceeds everything.

Also, that which is desirable in itself is more desirable than what is desirable per accidens.

If we state the function of man to be a certain kind of life, and this to be an activity or actions of the soul implying a rational principle, and the function of a good man to be the good and noble performance of these, and if any action is well performed when it is performed in accordance with the appropriate excellence human good turns out to be activity of the soul in accordance with virtue, and if there are more than one virtue, in accordance with the best and most complete.

Obstinate people can be divided into the opinionated, the ignorant, and the boorish.

Men create gods after their own image, not only with regard to their form but with regard to their mode of life.

Time past, even God is deprived of the power of recalling.