Within our world it is true that there lies numerous differences. Ranging from aspects as broad as various cultures to a mere disagreement about the smallest issue. However, various individuals have formed statements which, as they believe apply to everyone. Though it is obvious that these individuals are not familiar with everyone these assumptions are presented. In my thinking there may be two reasons that may support, if not answer, the reason of why these can be accurate. One such reason is the aspect of personal experience. Throughout one's life events occur in such a way that are similar to another's. An example of this may be an event that arises within the life of a young individual, that may have occured once before in the past with another person. This may serve as as evidence, in that it has occured so many times in the past, if one accepts that particular path the same event will reoccur. Individuals who may approach the matter in this fashion supports the statement due to their reliance of not only perspnal experience but an reaffirming pattern as well. In addition to this idea lies another which is viewed within the teachings of Aristotle. Within this realm of understanding Aristotle emphasizes that there is a single right plan for happiness. This plan can be attained "only through the cultivation of the virtues that make a human life complete." This idea may derive from not only his personal experiences but his belief in the common understanding of the end of a human life. Though Aristotle views it as true happiness, it still is something which is thought to be true abroad.
There is, however an essence that is prominant overall. It is one that is viewed to be known by everyone naturally and "and did not need to be taught" (C.S. Lewis Mere Christianity). This is the Law of Human Nature which can be thought as similar to everyone and applies to any culture. In essence this is C.S. Lewis' response to the question of how one individual could state something that applies to all. It is the Law of Human Nature or the Rule of Decent Behavior that governs the idea. This law was previously known as the "Law of Right and Wrong" (C.S. Lewis). The concept is that there is a law of man, in which he could choose to obey or disobey the Law of Human Nature. Individuals such as Aristotle or aspects like the U.N. Declaration on Human Rights, by Lewis' beliefs, can apply to everyone due to the idea that they are ones that support this interpretation of the Law of Huamn Nature. That there is, essentially, a law that is wihtin one's being naturally and doesn't to be taught from a type pf authority. The Law of Huamn Nature supported by other reasons serve as examples as to why ideas can be formulated to pertain to everyone.