human
I ought to have told you, he said.
gpt
When I asked you to come round to me the other night I had a dramatic surprise for you. I told you all about the fever and the state of the Thames. From the condition of the germs I knew that the trouble had not gone far. Here was a chance to test my sterilisation on a big scale. I tried it with perfect success. I'll show you the whole process the first time I get back home.
human
Yes, do, said Longdale grimly.
gpt
It's all right as it is, but if you meet with another accident and another such scourge comes along and we don't know----