Clemens writes a critique of a picture Karl has sent him of a work on Paul Revere. This gives Twain an opportunity to express some of his theories on art. He refers to a sculpture of a horse "Mercury." "I think Karl's Mercury is a beautiful creation of Karl's not a copy of an existing work of art. If that were so, I should say compete for the Paul Revere ... but without better evidence than Mrs. Clemens I am not able to believe that so young a hand could create so fine a thing as Mercury. Therefore I do not advise Karl to compete, but at the same time I do not object to it ..."