We are like children, who stand in need of masters to enlighten us and direct us; God has provided for this, by appointing his angels to be our teachers and guides.
Thomas AquinasBestow upon me, O Lord my God, understanding to know thee, diligence to seek thee, wisdom to find thee, and a faithfulness that may finally embrace thee.
Thomas AquinasLaw has the power to compel: indeed, the ability to enforce is a condition of the ability to command.
Thomas AquinasSecondly, man sins against nature when he goes against his generic nature, that is to say, his animal nature. Now, it is evident that, in accord with natural order, the union of the sexes among animals is ordered towards conception. From this it follows that every sexual intercourse that cannot lead to conception is opposed to man's animal nature.
Thomas Aquinas