Teaching--he, an accepted and competent artist! He didn’t like that. After another long look:

“Do you know the higher mathematics?”

“I? No, sir.”

“You must acquire them.”

“As a proper part of an artist’s training?” This with veiled irony.

“As an essential part of it. Do you know anatomy?”

“No, sir.”

“You must learn how to dissect a body. What are you studying, now--principally?”

“Nothing, I believe.”

“And the time flying, the time flying! Where are your books? What do you read?”