Explain Aquinas' view of Natural Moral Law.

Explain Aquinas' view of Natural Moral Law Natural Law, the idea that everything within the world has a purpose, uses the definition that a good object, is one that fulfils its purpose, so for instance; a good pen would be a pen that; doesn't leak, doesn't break, writes well, doesn't dry and is comfortable. This absolute morality which looked like it could hold water as it could apply to any culture or religion, but there …showed first 75 words of 1687 total…

…showed last 75 words of 1687 total…fulfil our purpose, the secondary rules aren't as clear with regard to their origin, are they just assumed? Did God communicate them to Aquinas? Also it claims to be an objective set of rules for living, but then how can the use of remote principles be justified, as they are relativising the absolute for a particular situation. But the most blatant criticism is that it relies on people believing in the Judaeo-Christian view of God.