Sax Rohmer

“ Dr. Cairn grabbed the faded linen, scooping up the beetles within it, and, striding across the room, threw the whole unsavoury bundle into the heart of the fire. A great flame leapt up; there came a series of squeaky explosions, so that, almost, one might have imagined those age-old insects to have had life. Then the doctor turned again.
Ferrara leapt to his feet with a cry that had in it something inhuman, and began rapidly to babble in a tongue that was not European. He was facing Dr. Cairn, a tall, sinister figure, but one hand was groping behind him for the box. ”

“ Cairn," came softly. "As you say, I raise forces of evil—"
Dr. Cairn spun about. In three strides he was standing over Antony Ferrara, fists clenched and his sinewy body tense in every fibre. His face was pale, as was apparent even in that vague light, and his eyes gleamed like steel.
"You raise other forces," he said—and his voice, though steady was very low; "evil forces, also."
Antony Ferrara, invoker of nameless horrors, shrank before him—before the primitive Celtic man whom unwittingly he had invoked. Dr. Cairn was spare and lean, but in perfect physical condition. ”

“ Ferrara stood quivering, but silent.
"The laws by which such as you were burnt—the wise laws of long ago—are no more," said Dr. Cairn. "English law cannot touch you, but God has provided for your kind!"
"Perhaps," whispered Ferrara, "you would like also to burn this box to which you object so strongly?"
"No power on earth would prevail upon me to touch it! But you—you have touched it—and you know the penalty! You raise forces of evil that have lain dormant for ages and dare to wield them. Beware! I know of some whom you have murdered ”