On Works Done in Charity

... Man's own inclination, his own will, his hope of reward and his self-interest are motives seldom absent.  He who has true and has perfect charity seeks self in nothing, but searches all things for the glory of God. He envies no man, because he desires no personal pleasure nor does he wish to rejoice in himself; rather he desires the greater glory of God above all things. He ascribes to man nothing that is good but attributes in wholly to God...