Peaceful? Evil?
Are humans inherently good or inherently evil?
This is a difficult question to answer as there is no clear cut evidence in one regard or another. The best way to answer this is to determine how you feel and find credible evidence from valid sources to present your opinion.
Philosophers
Research the following philosophers for their theories: Plato, Nietzsche, Decartes, Rousseau, Kant, Marx, Darwin.
Additional names: Alfie Kohn, Colman McCarthy
Questions to ask yourself:
Do you experience more good or evil in people? What causes a human being to be "good"? What causes humans to be "evil"?