THE INNOCENCE OF FATHER BROWN
death. All those grisly tools, the noose, the bloody knife, the exploding pistol, were instruments of a curious mercy. They were not used to kill Sir Aaron, but to save him."
"To save him!" repeated Gilder. "And from what?"
"From himself," said Father Brown. "He was a suicidal maniac."
"What?" cried Merton in an incredulous tone. "And the Religion of Cheerfulness"
"It is a cruel religion," said the priest, looking out of the window. "Why couldn't they let him weep a little, like his fathers before him? His plans stiffened, his views grew cold; behind that merry mask was the empty mind of the atheist. At last, to keep up his hilarious public level, he fell back on that dram-drinking he had abandoned long ago. But there is this horror about alcoholism in a sincere teetotaler: that he pictures and expects that psychological inferno from which he has warned others. It leapt upon poor Armstrong prematurely, and by this morning he was in such a case that he sat here and cried he was in hell, in so crazy a voice that his daughter did not know it. He was mad for death, and with the monkey tricks of the mad he had scattered round him death in many shapes—a running noose and his friend's revolver and a knife. Royce entered accidentally and acted in a flash. He flung the knife on the mat behind him, snatched up the revolver, and hav-
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