Four years passed. Mr Duffy returned to his even way of life. His room still bore witness of the orderliness of his mind. Some new pieces of music encumbered the music-stand in the lower room and on his shelves stood two volumes by Nietzsche: _Thus Spake Zarathustra_ and _The Gay Science_. He wrote seldom in the sheaf of papers which lay in his desk. One of his sentences, written two months after his last interview with Mrs Sinico, read: Love between man and man is impossible because there must not be sexual intercourse and friendship between man and woman is impossible because there must be sexual intercourse. He kept away from concerts lest he should meet her. His father died;