Practical sciences proceed by building up; theoretical science by resolving into components.
Thomas AquinasNothing created has ever been able to fill the heart of man. God alone can fill it infinitely.
Thomas AquinasThe last end of every maker, as such, is himself, for what we make we use for our own sake; and if at any time a man make a thing for the sake of something else, it is referred to his own good, whether his use, his pleasure, or his virtue.
Thomas Aquinas