"Quite possibly; I cannot tell," answered Tourville.  "It may be that I _am_ mad on this one particular point.  But I do not admit the soundness of your argument, monsieur.  You contend that you personally have not injured me.  That may be perfectly true.  But you admit that you belong to the Slave Squadron; and it is at the hands of that same squadron that I have suffered much of the injury of which I complain.  Now it is impossible for me to discriminate between the individuals in that squadron who have injured me, and those who have not; and I therefore contend that I am perfectly justified in wreaking my vengeance upon any of them who chance to fall into my power.  And, in any case, if I should blow out your brains I shall at least have rid myself of one potential enemy.  Therefore--"