Albert Bigelow Paine,
The Boys' Life of Mark Twain — Chapter 46
(1916)
“ Of course there could be nothing for any publisher in such an arrangement unless the sales were enormous. General Grant realized this, and at first refused to consent. Here was a friend offering to bankrupt himself out of pure philanthropy, a thing he could not permit. But Mark Twain came again and again, and finally persuaded him that purely as a business proposition the offer was warranted by the certainty of great sales. ”
