
Mercy as it is here contemplated is said to be a virtue influencing one’s will to have compassion for, and, if possible, to alleviate another’s misfortune. It is the teaching of St. Thomas Aquinas that although mercy is as it were the spontaneous product of charity, yet it is to be reckoned a special virtue adequately distinguishable from this latter. … Its motive is the misery which one discerns in another, particularly in so far as this condition is deemed to be, in some sense at least, involuntary. Obviously the necessity which is to be succoured can be either of body