“Thanks, awfully,” said Thomas. “Now...uh...what do I owe you for this?” Finney’s reaction made him feel as if he had uttered some indecency. “Don’t … - Robert A. Heinlein

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“Thanks, awfully,” said Thomas. “Now...uh...what do I owe you for this?”
Finney’s reaction made him feel as if he had uttered some indecency. “Don’t mention payment, my son! Money is wrong—it’s the means whereby man enslaves his brother.”
“I beg your pardon, sir,” Thomas apologized sincerely. “Nevertheless, I wish there were some way for me to do something for you.”
“That is another matter. Help your brother when you can, and help will come to you when you need it.”