"The third, I said the third!" cried the prince abruptly, pushing the letter away, and leaning his elbows on the table he drew toward him the exercise book containing geometrical figures.
"Well, madam," he began, stooping over the book close to his daughter and placing an arm on the back of the chair on which she sat, so that she felt herself surrounded on all sides by the acrid scent of old age and tobacco, which she had known so long. "Now, madam, these triangles are equal; please note that the angle ABC..."