There is no good talking to him," said a Dragon-fly, who was sitting on the top of a large brown bulrush; "no good at all, for he has gone away." "Well, that is his loss, not mine," answered the Rocket. "I am not going to stop talking to him merely because he pays no attention. I like hearing myself talk. It is one of my greatest pleasures. I often have long conversations all by myself, and I am so clever that sometimes I don't understand a single word of what I am saying." "Then you should definitely lecture on Philosophy," said the Dragon-fly.