"Nor did Lord Chatham neglect to exercise an influence over the direction of William's graver studies. The Earl prudently, indeed, left to professional teachers the legitimate routine in the classic authors, but he made it his particular desire that Thucydides, the eternal manual of statesmen, should be the first Greek book which his son read after coming to college."
January 1, 1970
https://en.wikiquote.org/wiki/Thucydides