STRANGE CRIME OF JOHN BOULNOIS
all the rest have done? Don't mind what you say: I—I know about the gossip and the appearances that are against him."
Father Brown looked honestly embarrassed, and passed his hand across his forehead. "Two very little things," he said. "At least, one's very trivial and the other very vague. But such as they are, they don't fit in with Mr. Boulnois being the murderer."
He turned his blank round face up to the stars and continued absent-mindedly: "To take the vague idea first. I attach a good deal of importance to vague ideas. All those things that 'aren't evidence' are what convince me. I think a moral impossibility the biggest of all impossibilities. I know you husband only slightly, but I think this crime of his, as generally conceived, something very like a moral impossibility. Please do not think I mean that Boulnois could not be so wicked. Anybody can be wicked—as wicked as he chooses. We can direct our moral wills; but we can't generally change our instinctive tastes and ways of doing things. Boulnois might commit a murder, but not this murder. He would not snatch Romeo's sword from its romantic scabbard; or slay his foe on the sundial as on a kind of altar; or leave his body among the roses; or fling the sword away among the pines. If Boulnois killed any one he'd do it quietly and heavily, as he'd
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