You know Me in you, and from this knowledge you will derive all that is necessary.
St. Catherine of SienaIt is impossible to fulfill the law concerning love for Me, God eternal, apart from the law concerning love for your neighbors.
St. Catherine of SienaPenance to be sure must be used as a tool, in due times and places, as need may be. If the flesh, being too strong, kicks against the spirit, penance takes the rod of discipline, and fast, and the cilice of many buds, and mighty vigils; and places burdens enough on the flesh, that it may be more subdued. But if the body is weak, fallen into illness, the rule of discretion does not approve of such a method.
St. Catherine of Siena