Many People against each other because of religion and belief, Atheism for those who are not agreed or don't like the doctrines of the church or they don't feel that there is God.
People always Think different, always think against the scriptures, but they still under and become a part of the scriptures.
Amos 8:11 (King James Version)
Behold, the days come, saith the Lord GOD, that I will send a famine in the land, not a famine of bread, nor a thirst for water, but of hearing the words of the LORD: