This equilibrium is what some define as happiness. Some individuals might look at this and think that it is not necessary to live by any moral code in order to be happy, and that might be true for that specific person, but what one has to always think about is that no matter what an individuals' beliefs are, every action affects those around you. One person's happiness could interfere with another's, and so it is important to always keep that in mind. Happiness is something felt internally, and although extraneous factors such as having money and luxury might momentarily bring a happy thought or two across someone mind, true happiness is brought when one lives by a moral code.

In all, moral behavior does bring happiness. It brings not only contentment to individuals, but a society as a whole as well. When one person acts immorally, many people around that...

When a person acts out of their morals and commits a crime, all the parties involved will be affected, whether they mean to or not. It is these repercussions and consequences that make living morally a necessity. Although living by every moral law, whether it be in the Christian Bible or another religious book, is nearly impossible, as some of us tend to falter and break some of these rules, it is still good to use these as a guideline to how a society should function.
Bibliography:

Abdrushin (2009). The Ten Commandments of God and the Lord's Prayer. Grail Foundation Press. ISBN 1-57461-004-X. http://the10com.org/index.html

The Old Testament Bible

Hazony, David (2010). The Ten Commandments: How Our Most Ancient Moral Text Can Renew Modern Life. New York: Scribner. ISBN 1-416-56235-4

The Torah