"Why so?"

"All the Master's ways are secret."

"May one ask his name?"

"He has forbidden me to reveal it."

Paul, though conscious that he was treading on delicate ground, could not repress his further curiosity.

"Where does he live when not here?"

"He has never told me."

"What is his nationality?"

"That is equally a mystery to me."

Paul's interest in the Master increased, and as Lambro did not seem to resent his questioning, he continued,—