Here's an example he acted out while in the car, in response to someone asking for his speaker rates:
"Mr. Huang, I'm honoured that you would consider me to speak at your school" *pauses, looks concerned, lowers voice* "I just worry, I'm not sure if what I charge would be tough on your budget."
Mr. Li: "I have to thank [department] for being so accommodating! For our continued relationship, I will only charge [a rate he sees fit] this time".
hackaday.com/2017/08/30/lu-…