O'Donnell went on to say, "What's more, if Mr. Chen Yang is still capable of crushing my neck now. So why don't you just do it?"

Chen Yang said, "I need you to get closer and give up. You must be careful, I must be more careful!"

O'Donnell smiled and said, "Mr. Chen Yang, your words are too childish. If you are careful, why should you say it?

Chen Yang said, "I have advised you that if you want to come and die, I will not stop you!"

O'Donnell laughed and said, "OK!"

He then took out a tiny syringe in his hand! "This is the source of my teaching....