Evil exists, but rather than defining it in terms of good, I prefer to define it as suffering, so an evil act is one that creates or enhances suffering. Then I define good in terms of evil: good is the reduction of evil, hence it is the reduction of suffering.
https://en.wikipedia.org/wiki/M._Scott_Peck#Theories
I don't find all life to be suffering, though there are events in life which are. I see good as actions that reduce those events of suffering. Since good is typically viewed as the opposite of evil, I choose to make that association.
