I think that we all know what evil is. We have a sense of what's evil, and certainly killing innocent people is evil. We're less sure about what is good. There's sort of good, good enough, could be better - but absolute good is a little harder to define.
“As hard as it is and as tired as I am, I force myself to get dinner at least once a week with my girlfriends, or have a sleepover. Otherwise my life is just work.”