trivers; but I do not; for murder (if such a crime be possible) comes from the heart, and these men's motives come from the purse. Were they not in poverty, I think they would hardly do what they do. Still, the public interests forbid that I should let their needy device for a living succeed. In short, I have adopted precautions. Take the wrapper from any of my vials and hold it to the light, you will see water-marked in capitals the word confidence, which is the countersign of the medicine, as I wish it was of the world. The wrapper bears that mark or else the medicine is counterfeit. But if still any lurking doubt should remain, pray enclose the wrapper to this address," handing a card, "and by return mail I will answer."
At first the sick man listened, with the air of vivid interest, but gradually, while the other was still talking, another strange caprice came over him, and he presented the aspect of the most calamitous dejection.
"How now?" said the herb-doctor.
"You told me to have confidence, said that confidence was indispensable, and here you preach to me distrust. Ah, truth will out!"
"I told you, you must have confidence, unquestioning confidence, I meant confidence in the genuine medicine, and the genuine me."
"But in your absence, buying vials purporting to be yours, it seems I cannot have unquestioning confidence."
"Prove all the vials; trust those which are true."
"But to doubt, to suspect, to prove—to have all this