We have in the Creed, the Object of faith; in the Law, the exercise and trial of love: for Love is the fulfilling of the law; and, If ye love me, keep my commandments, saith our Savior. And Prayer is the breathing of hope, or, as they call it, Interpretatio spei. Thus, in these three summaries, are the matter of these three prime theological virtues, faith, hope, and charity.
Robert Leighton (Archbishop of Glasgow, 1611 – 1684)