Question from my friend about existence of God

[robvalue]

It's important to first define exactly what "good" is. Often, an atheist and a theist will disagree.

Is "good" acting in the interests of the wellbeing and happiness of life on Earth?

Or is "good" doing what God tells you to do?

One definition needs to be agreed on for the purposes of any conversation. Just assuming they are the same thing is fundamentally flawed. That is a claim that needs to be demonstrated if it to be used.