1527 - He said: Abu Abd Allah narrated to us, he said: Yahya ibn Sa'id narrated to us, Isma'il narrated to us, he said: Qays narrated to me, from Ibn Mas'ud, who said: "If a man says to his brother, 'You are an enemy to me,' he has exited from Islam." He said: Abu Juhayfah informed me that he said: "Except for the one who repents."