A moral being is one who is capable of reflecting on his past actions and their motives - of approving of some and disapproving of others.
“I don't think you should go around talking trash about people because I think that's how you get your hat handed to you.”
“When you're a carpenter making a beautiful chest of drawers, you're not going to use a piece of plywood on the back, even though it faces the wall and nobody will ever see it. You'll know it's there, so you're going to use a beautiful piece of wood on the back.”