... of living, giving guidance on day-to-day questions of how to live life and then links them to the basic principles of life. This may be an attractive proposition for some, which suggests that it is most certainly a strength of natural moral law as an ethical theory. Some have challenged Aquinas. They have questioned the existence of a common natural law that is apparent and clear. However, some believe that human nature isn't as obvious as Aquinas claims and claims that these differing moral values cast serious doubt over the idea of a common natural law within all human societies. There is also the possibility that a natural law does exist, but it is more complex than Aquinas believed. For example, Aquinas ruled homosexual activity as unnatural as it does not lead to procreation and therefore wrong, but possibly for those involved they find love and purpose in life through expression ...

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