Everyone says that Zimmer is a little liar. He lied to teachers when he was a child and to the police when he grew up.
Everyone said that Yang Mo was a good boy. He won first prize when he was a child and became a scientist when he grew up.
People don't know that little liars sometimes give up their breakfast meat buns to save a cat or a dog. They also give up their seats to old ladies on the bus and buy things for them.
People don't know that good kids sometimes betray their friends for their own benefit, and they also make fun of them like a gangster when they are being robbed, and then they become good buddies.