how did gulliver make the maximum use of his last three days in glubbdubdrib

Gulliver spends a great deal of time speaking with various famous dead people. He speaks with Homer, Aristotle, and Descartes and even gets them into conversation with one another. He later brings back a few English Yeomen and finds them much larger and stronger than the English people today. He worries that his countrymen are diminishing with time.