To restore man, who had been laid low by sin, to the heights of divine glory, the Word of the eternal Father, though containing all things within His immensity, willed to become small. This He did not by putting aside His greatness but by taking to Himself our littleness.
Thomas AquinasThree conditions are necessary for Penance: contrition, which is sorrow for sin, together with a purpose of amendment; confession of sins without any omission; and satisfaction by means of good works.
Thomas AquinasHe suddenly announced that he could not write any more since "All that I have written seems like straw to me."
Thomas AquinasThe theologian considers sin mainly as an offence against God; the moral philosopher as contrary to reasonableness.
Thomas Aquinas