The old man was beside himself: moved the chair on which he was sitting noisily backward and forward, made efforts to control himself and not become vehement, but almost always did become vehement, scolded, and sometimes flung the exercise book away.

The princess gave a wrong answer.

"Well now, isn't she a fool!" shouted the prince, pushing the book aside and turning sharply away; but rising immediately, he paced up and down, lightly touched his daughter's hair and sat down again.

He drew up his chair, and continued to explain.