“Porthos’s plan appears to me to be impracticable,” said d’Artagnan, “inasmuch as I am myself ignorant of what instructions I can give you. I am the bearer of a letter, that is all. I have not, and I cannot make three copies of that letter, because it is sealed. We must, then, as it appears to me, travel in company. This letter is here, in this pocket,” and he pointed to the pocket which contained the letter. “If I should be killed, one of you must take it, and continue the route; if he be killed, it will be another’s turn, and so on⁠—provided a single one arrives, that is all that is required.”