All friendly feelings toward others come from the friendly feelings a person has for himself.

My lectures are published and not published; they will be intelligible to those who heard them, and to none beside.

[Prudence] is the virtue of that part of the intellect [the calculative] to which it belongs; and . . . our choice of actions will not be right without Prudence any more than without Moral Virtue, since, while Moral Virtue enables us to achieve the end, Prudence makes us adopt the right means to the end.

That which is excellent endures.

One thing alone not even God can do,To make undone whatever hath been done.

Pay attention to the young, and make them just as good as possible.

Temperance is a mean with regard to pleasures.