[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.

Money was intended to be used in exchange, but not to increase at interest. And this term interest, which means the birth of money from money, is applied to the breeding of money because the offspring resembles the parent. Wherefore of all modes of getting wealth this is the most unnatural.

All teaching and all intellectual learning come about from already existing knowledge.

Wicked men obey out of fear. good men, out of love

Fine friendship requires duration rather than fitful intensity.

Memory is the scribe of the soul.

Whether we call it sacrifice, or poetry, or adventure, it is always the same voice that calls.