The Golden Rule found in Matthew 7:12 is an example of this, "In everything, therefore,
treat people the same way you want them to treat you, for this is the Law and the Prophets."
Providing us with guidelines for making decisions in the future, these theories also serve
as means to evaluate decisions made in our past.
Each normative ethical theory has its own philosophical justification. And both advocates and
critics argue the merits of each other’s theories, which ultimately reflect their philosophical world-view.