“The world is beautiful, but has a disease called man.” said by Friedrich Nietzsche. Man has destroyed everything he has touched, whether it 's the tree in the forest or the dog who brought him a bone. He has either killed it to make way for his home or enslaved it to do his own biding. While it might seem strange for man to walk into the twenty first century and still his morals have yet to change, but it his birthmark and will never be able to get rid of it. Mark Twain had once mention in his satirical essay,”The Lowest Animal”, how man is born with a defect; moral sense. He also mention how moral sense was the reason why man was the cruelest animal. Mark Twain is correct, even though man has done a few good deeds in the past, man was born with moral senses that have continually demonstrated how cruel he could be. Man’s moral sense tells him what is right and what is wrong. He can be taught to change his views but still there are a few who never know the difference and some who disagree on what is right. In Sharon Begley article, “Roots of Evil”, she describes a boy who was loved and cared for in happy home. He was “proved to be a model soldier” in The Editors of Encyclopaedia Britannica article, “Timothy McVeigh”. The child they are describing is Timothy McVeigh, a Oklahoma City Bomber who killed 168 people and injured more than 500 (Encyclopaedia Britannica.com). Timothy McVeigh had a happy environment and influences to tell him otherwise, yet his moral senses told