Mark Twain,
The American Claimant — Chapter VIII
(1892)
“ Oh, Hawkins, selfishness is the bottom trait in human nature; I was only thinking that now, with the usurper's heir out of the way. But you'll forgive that momentary weakness, and forget it. Don't ever remember it against me that Mulberry Sellers was once mean enough to think the thought that I was thinking. ”
