"At once; to-night."
"But, Dr. Jarvis—"
"Don't talk. Do it. If fifty thousand dollars isn't enough, you shall have a hundred thousand within six months."
"How do I know that you will send it?"
"If I don't, come back and denounce me."
"But how will you explain my going?"
"I will say that you have gone to Europe for me as you did go three years ago."
Nick shook his head.
"Dr. Jarvis," said he, "I've worked for you twenty years, and I think as much of you as of any man living, but I can't do this."
"Why not?"