To promise not to do a thing is the surest way in the world to make a body want to go and do that very thing. – Mark Twain, The Adventures of Tom Sawyer, 1876
No things could seem further apart than the doubt of grey and the decision of scarlet. Yet grey and red can mingle, as they do in the morning clouds… – G.K. Chesterton, Alarms and Discursions, “The Glory of Grey”