Treat others as you would have them do for you

The disciples of the martial arts school went up and immediately helped Liu Taian up.
Liu Taian stiffened his neck and said unconvincedly, "Young man, it's not easy to be a hero. You can deal with me, Liu, today, but can you fight against the world?"
"Why not?"
Shawn Parisch looked at him calmly and said, "We humans came from a bloody civilization where we ate raw meat and drank blood, and the strong preyed on the weak like animals. We have been constantly improving ourselves all the...