"My dear M. de Villefort," replied the doctor, "my first duty is to humanity. I would have saved Madame de Saint-Meran, if science could have done it; but she is dead and my duty regards the living. Let us bury this terrible secret in the deepest recesses of our hearts; I am willing, if any one should suspect this, that my silence on the subject should be imputed to my ignorance. Meanwhile, sir, watch always -- watch carefully, for perhaps the evil may not stop here. And when you have found the culprit, if you find him, I will say to you, `You are a magistrate, do as you will!'"
"I thank you, doctor," said Villefort with indescribable joy; "I never had a better friend than you." And, as if he feared Doctor d'Avrigny would recall his promise, he hurried him towards the house.
When they we
