>21 November, 1863>Dear Sir,>Mr Darwin begs me to thank you warmly for your letter which has interested him very much.2 I am sorry to say that he is so unwell as not to be able to write himself.>With regard to Natural Selection he says that he is not staggered by your striking remarks. He is more faithful to your own original child than you are yourself.3 He says you will understand what he means by the following metaphor.>(2. Interestingly, the letter from Matthew has never been found.)
