The reason evil exists – some people are not only depressed (depression is shame of oneself – which can be caused either internally or God-forbid externally) they are also angry (for if I am ashamed internally, I have no one to be angry at – apart from myself – which is why people kill themselves – but if I have been shamed externally, I hate the person who transformed my happiness into shame ) this hate if not avenged, leaves a person boiling (anger) Boiling with rage is a terrible terrible predicament (like being chained in a boiling bath) and as all people are jealous of the good others have, the jealousy creates a desire to take away the happiness from good people (this of-course explains bullying, terrorism, anti-Semitism, anti-Americans etc. etc.