Sources from the Past Page 176

Zarathustra makes the assumption of human nature that there will always be a balance of good and evil. The twin spirits really talk about good and evil, maybe trying to warn people to not be temped into doing what is not right. Zarathustra also says that some will make the right choice to make morally good choices, but others need to be guided to make the right choice (evils souls). Zarathustra also preaches about the greatness of "Righteous ever" which is probably heaven, hoping some people get motivated by that to make the right moral choice.