To sum up, these are actually “unknown”.
It is already "unknown", how do you know that it will "tarnish" medicine. Compared with other words in the physician's oath of employment, this word "tarnish" is used too harshly.
Although Angel thought so, he did not refute Shirley, but asked: "Do you think there are extraordinary things in the world?"
Shirley hesitated slightly: "Probably not?"
Angel nodded and did not continue the topic.
Chapter completed!