<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Catholic Church holds the view of natural law introduced by Albertus Magnus and elaborated by Thomas Aquinas, particularly in his Summa Theologiae, and often as filtered through the School of Salamanca . This view is also shared by some Protestants, and was delineated by Anglican writer C.S. Lewis in his works Mere Christianity and The Abolition of Man . </P> <P> The Catholic Church understands human beings to consist of body and mind, the physical and the non-physical (or soul perhaps), and that the two are inextricably linked . Humans are capable of discerning the difference between good and evil because they have a conscience . There are many manifestations of the good that we can pursue . Some, like procreation, are common to other animals, while others, like the pursuit of truth, are inclinations peculiar to the capacities of human beings . </P> <P> To know what is right, one must use one's reason and apply it to Thomas Aquinas' precepts . This reason is believed to be embodied, in its most abstract form, in the concept of a primary precept: "Good is to be sought, evil avoided ." St. Thomas explains that: </P>

What is the natural law in the catholic church
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