But when we look at the world around us, we find prevalent instances of apparently gratuitous evil—pointless evils from which no greater good seems to result. According to proponents, the existence of apparently gratuitous evil provides strong evidence that God (as traditionally defined) does not exist (e.g., William Rowe)By far, the problem of evil is the most ignorant, childish, and irrelevant argument against the Christians religion. And while many theologians have concocted their various complex theodicies on how the evil that exists in this world in all part of God's plan, the answer is actually much more simple. Christianity requires the existence of evil, it is predicated on it, for both logical and documentary reasons. Without evil, Man is not fallen, there is no need for a Savior, and the Christian worldview would be demolished. For if there is one single person, man or women, that leads a life devoid of evil, then you can dismiss Christianity once and for all.
Moreover, this avoids the Biblically-supported doctrine that the significant ruler of this world, at least for the time being, is a malicious being seeking the damnation of every soul. The Bible refers to him has lucifer, or satan. When God created the earth, He gave the race of Man dominion over it. But Man foolishly gave it away when Adam and Eve gave into the temptation to eat the apple, because they "wanted to be like gods". This in turn, allowed satan to usurp Man's dominion over this world into his own hands. This explains why Paul refers to him as “the god of this age” and how satan was able to tempt Jesus Christ by giving him the entire world if He were only to worship him.
It is clear that while the so-called problem of evil is convincing to the atheist who seeks to rationalize his disbelief, it is not so convincing to anyone who has even a basic understanding of the Bible and the orthodox interpretations of it.