"What duty, father?"
Again he was silent a while. What duty? Yes, what kind of duty?
"Naturally the duty of labor, hard labor."
The flush on Cara's face increased; she was all curiosity, all eagerness to hear her father's words.
"Labor, for what, father, dear?"
"How? for what?"
"For what purpose? For what purpose? because no one labors for the labor itself. For what purpose?"
For what purpose? How that child pushed him to the wall with her questions! With hesitation in his voice, he answered:
"There are various purposes—"
"But you, father, for what are you working?" continued she, with eager curiosity.