Horace had been particularly busy that night. The failure of the Frenchman Laurier to appreciate the significance of the new realists was preying on his mind. In fact, his only reaction to a low, clear-cut rap at his study was to make him speculate as to whether any rap would have actual existence without an ear there to hear it. He fancied he was verging more and more toward pragmatism. But at that moment, though he did not know it, he was verging with astounding rapidity toward something quite different.