BOSTON, in the State of Massachusetts, is, in a literary sense, the Athens of the United States of America, and a city of historical importance; for there commenced that series of events which produced the revolution of 1768, and gave birth to one of the greatest and most powerful nations in the world. Having assisted in the Sabbath services on the preceding day, I was invited by one of the ministers of the Methodist Episcopal Church in the city to accompany him, on Monday forenoon, to the "Preachers' Meeting." This I found to be a weekly gathering of the ministers of the denomination...