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 AquinasWhen the devil is called the god of this world, it is not because he made it, but because we serve him with our worldliness.
Thomas AquinasThe theologian considers sin mainly as an offence against God; the moral philosopher as contrary to reasonableness.
Thomas AquinasPeace is the work of justice indirectly, in so far as justice removes the obstacles to peace; but it is the work of charity (love) directly, since charity, according to its very notion, causes peace.
Thomas Aquinas