Anna Karenina by Part 5 Chapter 1 Page 19

spirits. To explain to Stepan Arkadyevitch the state of excitement in which he found himself, he said that he was happy like a dog being trained to jump through a hoop, who, having at last caught the idea, and done what was required of him, whines and wags its tail, and jumps up to the table and the windows in its delight.