Twain, Mark -- Novel (1889), A Connecticut Yankee in King Arthur’s Court, Part 3 “The Tale of the Lost Land,” ch. 10 “Beginnings of Civilization”

I could have given my own sect the preference and made everybody a Presbyterian without any trouble, but that would have been to affront a law of human nature: spiritual wants and instincts are as various in the human family as are physical appetites, complexions, and features, and a man is only at his best, […]