The first thing I do in the morning is to make my bed and while I am making up my bed I am making up my mind as to what kind of a day I am going to have.
[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.