1. Since the primitive society, mankind has been a cruel society full of violence and war.
2. Whether you believe that nature is inherently good or evil does not affect whether you choose to do evil or good.
3. Virtue is acquired, true goodness exists only in adults.
Recommended reading (Noble Savages: My Life Among Two Dangerous Tribes), author Napoleon A. Chagnon did fieldwork among primitive tribes and obtained A first line of intelligence on the initial state of human society.