Having, by a train of fortunate circumstances, accomplished a voyage, of which the history of mankind affords no example; having, moreover, exerted every faculty of body and mind, to make my adventures useful to my countrymen, and even to mankind, by imparting to them the acquisition of secrets in physics and morals, of which they had not formed the faintest conception, - I flattered myself that both in the character of traveller and public benefactor, I had earned for myself an immortal name