`` pray remember , captain-temeraire , '' hammond said anxiously , `` pizarro and his adventurers landed on this same coast , perhaps even in this very settlement-they , too , called themselves an embassy and accepted local hospitality , and then , of course-in short , we must remember we are not come to a virgin land , but one with cause for the deepest suspicion-we must exercise the greatest caution- '' laurence had only the vaguest notion of the history of the conquistadors , a dredging from schoolroom days , but the story of pizarro 's gruesome end had been a favorite of the tutors whose task it had been to keep several young boys occupied , particularly when approved of as a morality tale by their father .