We could go around and round of the opposing viewpoints of what is moral and why, forever. Bottom line: "If" God exists (and ONLY "if") - the God of the Bible - then He IS the standard - as whatever He declares to be bad or evil is so. He Himself IS good, and can do no evil. If unbelievers don't agree that there is an objective morality based upon a God who sets the standards - then one will never convince them otherwise. But I think most people can agree on the terrible dangers posed by many whose only standard of morality is their own subjective view of it - those who don't even ponder the question or concern themselves beyond whatever they personally deem desirable actions for themselves, per their thoughts - whether they desire to murder for money or pursue bloodlust and genocide to acquire an empire.
Ken: Thoughts do not exist, they are not real; they are just figments of our imaginations.
The real questions are, where do the thoughts originate, and how do we respond to them? All of us, at various times, have hideous thoughts that come to mind - that we also have the ability to reject or further entertain until we allow them to inspire us to be acted upon with terrible actions. While the thoughts are in one's mind - we also have free will to do with them whatever we will. But terrible thoughts can powerfully produce horrific consequences, if followed as they are in our mind. But our thoughts, while not "real," physical things - they are received and processes within our brains - which are real. And while our thoughts are not compulsory, they nonetheless can be very powerful and exceptionally tempting - and when acted upon, can produce horrific harm and destruction. So another question is, what impacts our arbitration of whether to act upon what is, at first, only a terrible thought existing in one's mind? What influences impact our behaviors and responses to our thoughts?