"No, I don't in the least believe in heredity."
"What are you up to now?" he inquired resignedly.
"If there were anything in it, don't tell me that, after centuries of
falling in love, and out of it, man would not have developed some sort
of understanding how to do it."
"That's evolution," said Harry.
"Imagine your knowing! Well, whatever it is, does nothing tell you what
is labour lost?"